#263C51#263C51

#263C51 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.046 H 248.2°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#263C51
RGB	rgb(38, 60, 81)
HSL	hsl(209, 36%, 23%)
HSV	hsv(209, 53%, 32%)
CMYK	cmyk(53.1%, 25.9%, 0%, 68.2%)
CIE-LAB	lab(24.44, -1.86, -15.40)
CIE-LCH	lch(24.44, 15.51, 263.10°)
OKLab	oklab(34.77% -0.0172 -0.0429)
OKLCH	oklch(34.77% 0.046 248.2)
XYZ	xyz(3.8999, 4.2376, 8.3954)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C51 #513B26

analogous

#265150 #263C51 #262651

triadic

#263C51 #51263C #3C5126

tetradic

#263C51 #502651 #513B26 #265126

square

#263C51 #502651 #513B26 #265126

split-complementary

#263C51 #512626 #515026

monochromatic

#0A0F15 #121D27 #263C51 #3A5B7B #4D7AA4

Accessibility & contrast

On white

11.37

#263C51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#263C51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C51

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C51	#FFFFFF	#000000	##FFFFFF
##263C51	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333C52

Deuteranopia (green-blind)

#2E3851

Tritanopia (blue-blind)

#124143

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263c51;
/* rgb */ color: rgb(38, 60, 81);
/* oklch */ color: oklch(34.8% 0.046 248.2);

Tailwind

colors: {
  custom: {
    50: '#637182',
    500: '#263c51',
    950: '#000000',
  },
}

SCSS

$custom: #263c51;
$custom-light: #637182;
$custom-dark: #000000;

JSON

{
  "hex": "#263c51",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 81
  },
  "hsl": {
    "h": 209.302,
    "s": 36.134,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34768,
    "c": 0.04627,
    "h": 248.2
  },
  "luminance": 0.04238
}

Semantic roles & 50–950 ramp

primary

#263C51

secondary

#84694F

accent

#935CCC

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #263C51

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

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