#263D53#263D53

#263D53 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.1% C 0.048 H 248.3°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#263D53
RGB	rgb(38, 61, 83)
HSL	hsl(209, 37%, 24%)
HSV	hsv(209, 54%, 33%)
CMYK	cmyk(54.2%, 26.5%, 0%, 67.5%)
CIE-LAB	lab(24.87, -1.83, -16.05)
CIE-LCH	lch(24.87, 16.15, 263.49°)
OKLab	oklab(35.14% -0.0178 -0.0448)
OKLCH	oklch(35.14% 0.048 248.3)
XYZ	xyz(4.0289, 4.3738, 8.8139)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D53 #533C26

analogous

#265352 #263D53 #262653

triadic

#263D53 #53263D #3D5326

tetradic

#263D53 #522653 #533C26 #265326

square

#263D53 #522653 #533C26 #265326

split-complementary

#263D53 #532626 #535226

monochromatic

#0A0F15 #131E29 #263D53 #395C7D #4C7BA7

Accessibility & contrast

On white

11.20

#263D53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#263D53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D53

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D53	#FFFFFF	#000000	##FFFFFF
##263D53	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343E54

Deuteranopia (green-blind)

#2E3953

Tritanopia (blue-blind)

#104244

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #263d53;
/* rgb */ color: rgb(38, 61, 83);
/* oklch */ color: oklch(35.1% 0.048 248.3);

Tailwind

colors: {
  custom: {
    50: '#637283',
    500: '#263d53',
    950: '#000000',
  },
}

SCSS

$custom: #263d53;
$custom-light: #637283;
$custom-dark: #000000;

JSON

{
  "hex": "#263d53",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 83
  },
  "hsl": {
    "h": 209.333,
    "s": 37.19,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35137,
    "c": 0.04824,
    "h": 248.3
  },
  "luminance": 0.04374
}

Semantic roles & 50–950 ramp

primary

#263D53

secondary

#866A4F

accent

#935BCD

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #263D53

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

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