#263B54#263B54

#263B54 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.052 H 253.5°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#263B54
RGB	rgb(38, 59, 84)
HSL	hsl(213, 38%, 24%)
HSV	hsv(213, 55%, 33%)
CMYK	cmyk(54.8%, 29.8%, 0%, 67.1%)
CIE-LAB	lab(24.26, -0.14, -17.66)
CIE-LCH	lch(24.26, 17.66, 269.54°)
OKLab	oklab(34.67% -0.0147 -0.0495)
OKLCH	oklch(34.67% 0.052 253.5)
XYZ	xyz(3.9630, 4.1798, 8.9837)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B54 #543F26

analogous

#265254 #263B54 #282654

triadic

#263B54 #54263B #3B5426

tetradic

#263B54 #542652 #543F26 #265428

square

#263B54 #542652 #543F26 #265428

split-complementary

#263B54 #542826 #525426

monochromatic

#0A0F15 #131D2A #263B54 #39597E #4C76A8

Accessibility & contrast

On white

11.44

#263B54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#263B54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B54

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B54	#FFFFFF	#000000	##FFFFFF
##263B54	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313C55

Deuteranopia (green-blind)

#2B3853

Tritanopia (blue-blind)

#104144

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263b54;
/* rgb */ color: rgb(38, 59, 84);
/* oklch */ color: oklch(34.7% 0.052 253.5);

Tailwind

colors: {
  custom: {
    50: '#647084',
    500: '#263b54',
    950: '#000000',
  },
}

SCSS

$custom: #263b54;
$custom-light: #647084;
$custom-dark: #000000;

JSON

{
  "hex": "#263b54",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 84
  },
  "hsl": {
    "h": 212.609,
    "s": 37.705,
    "l": 23.922
  },
  "oklch": {
    "l": 0.34671,
    "c": 0.0516,
    "h": 253.5
  },
  "luminance": 0.0418
}

Semantic roles & 50–950 ramp

primary

#263B54

secondary

#876D4F

accent

#995ACE

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #263B54

Body copy rendered with the generated semantic roles for this colour.

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