#21263b

Color #21263b

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 16.06 Nearest Tailwind class slate-800 #1d293d · ΔE 3.5

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Conversions

HEX

#21263b

RGB

rgb(33, 38, 59)

HSL

hsl(228.5, 28.3%, 18%)

HSV / HSB

hsv(228.5, 44.1%, 23.1%)

CMYK

cmyk(44.1%, 35.6%, 0%, 76.9%)

LAB

lab(15.62, 4.22, -14.2)

LCH

lch(15.62, 14.81, 286.55)

OKLCH

oklch(27.4%, 0.0397, 273.32)

HWB

hwb(228.5, 12.9%, 76.9%)

Harmony colors

Complementary

#3b3621

Analogous

#21333b

#21263b

#29213b

Triadic

#21263b

#3b2126

#263b21

Split-complementary

#21263b

#3b2921

#333b21

Tetradic

#21263b

#36213b

#3b3621

#263b21

Square

#21263b

#3b2133

#3b3621

#213b29

Shades

Color #21263b mixed toward black.

#1b2031

#161927

#10131d

#0b0d14

#05060a

Tints

Color #21263b mixed toward white.

#3a4368

#535f94

#7984b4

#a6adcd

#d2d6e6

Tones

Color #21263b mixed toward gray.

#232739

#252937

#272a34

#2a2b32

#2c2d30

Accessibility

Aa White text on this color

14.95:1

Aa Black text on this color

1.41:1

White text reads better on this background (14.95:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#232337 · ΔE 2.4

Deuteranopia

#232336 · ΔE 2.4

Tritanopia

#213332 · ΔE 16.4

Achromatopsia

#272727 · ΔE 11.5

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #21263b;

Tailwind (arbitrary value)

bg-[#21263b]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#21263b (#21263b) is rgb(33, 38, 59) in RGB.

No, #21263b is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #21263b, or check how it holds up for accessibility.

Generate a palette → Check contrast