#263D56#263D56

#263D56 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.3% C 0.053 H 251.4°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#263D56
RGB	rgb(38, 61, 86)
HSL	hsl(211, 39%, 24%)
HSV	hsv(211, 56%, 34%)
CMYK	cmyk(55.8%, 29.1%, 0%, 66.3%)
CIE-LAB	lab(25.02, -0.77, -17.79)
CIE-LCH	lch(25.02, 17.81, 267.51°)
OKLab	oklab(35.3% -0.0167 -0.0498)
OKLCH	oklch(35.3% 0.053 251.4)
XYZ	xyz(4.1472, 4.4211, 9.4371)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D56 #563F26

analogous

#265556 #263D56 #272656

triadic

#263D56 #56263D #3D5626

tetradic

#263D56 #562655 #563F26 #265627

square

#263D56 #562655 #563F26 #265627

split-complementary

#263D56 #562726 #555626

monochromatic

#090F15 #131F2C #263D56 #395B80 #4C79AB

Accessibility & contrast

On white

11.15

#263D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#263D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D56

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D56	#FFFFFF	#000000	##FFFFFF
##263D56	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333E57

Deuteranopia (green-blind)

#2D3955

Tritanopia (blue-blind)

#0D4346

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #263d56;
/* rgb */ color: rgb(38, 61, 86);
/* oklch */ color: oklch(35.3% 0.053 251.4);

Tailwind

colors: {
  custom: {
    50: '#647285',
    500: '#263d56',
    950: '#000000',
  },
}

SCSS

$custom: #263d56;
$custom-light: #647285;
$custom-dark: #000000;

JSON

{
  "hex": "#263d56",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 86
  },
  "hsl": {
    "h": 211.25,
    "s": 38.71,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35301,
    "c": 0.05256,
    "h": 251.4
  },
  "luminance": 0.04421
}

Semantic roles & 50–950 ramp

primary

#263D56

secondary

#896D4F

accent

#9659CF

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #263D56

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

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