#263D51#263D51

#263D51 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.045 H 245.8°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#263D51
RGB	rgb(38, 61, 81)
HSL	hsl(208, 36%, 23%)
HSV	hsv(208, 53%, 32%)
CMYK	cmyk(53.1%, 24.7%, 0%, 68.2%)
CIE-LAB	lab(24.78, -2.52, -14.88)
CIE-LCH	lch(24.78, 15.09, 260.37°)
OKLab	oklab(35.03% -0.0186 -0.0415)
OKLCH	oklch(35.03% 0.045 245.8)
XYZ	xyz(3.9528, 4.3433, 8.4130)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D51 #513A26

analogous

#26514F #263D51 #262751

triadic

#263D51 #51263D #3D5126

tetradic

#263D51 #4F2651 #513A26 #275126

square

#263D51 #4F2651 #513A26 #275126

split-complementary

#263D51 #512627 #514F26

monochromatic

#0A1015 #121E27 #263D51 #3A5C7B #4D7CA4

Accessibility & contrast

On white

11.24

#263D51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#263D51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D51

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D51	#FFFFFF	#000000	##FFFFFF
##263D51	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353D52

Deuteranopia (green-blind)

#2F3951

Tritanopia (blue-blind)

#124244

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #263d51;
/* rgb */ color: rgb(38, 61, 81);
/* oklch */ color: oklch(35.0% 0.045 245.8);

Tailwind

colors: {
  custom: {
    50: '#637282',
    500: '#263d51',
    950: '#000000',
  },
}

SCSS

$custom: #263d51;
$custom-light: #637282;
$custom-dark: #000000;

JSON

{
  "hex": "#263d51",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 81
  },
  "hsl": {
    "h": 207.907,
    "s": 36.134,
    "l": 23.333
  },
  "oklch": {
    "l": 0.35031,
    "c": 0.04546,
    "h": 245.8
  },
  "luminance": 0.04344
}

Semantic roles & 50–950 ramp

primary

#263D51

secondary

#84684F

accent

#905CCC

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #263D51

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

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