#263F61#263F61

#263F61 is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.4% C 0.067 H 256.4°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#263F61
RGB	rgb(38, 63, 97)
HSL	hsl(215, 44%, 26%)
HSV	hsv(215, 61%, 38%)
CMYK	cmyk(60.8%, 35.1%, 0%, 62%)
CIE-LAB	lab(26.24, 1.87, -23.03)
CIE-LCH	lch(26.24, 23.10, 274.65°)
OKLab	oklab(36.45% -0.0157 -0.065)
OKLCH	oklch(36.45% 0.067 256.4)
XYZ	xyz(4.7337, 4.8298, 11.9897)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F61 #614826

analogous

#265D61 #263F61 #2B2661

triadic

#263F61 #61263F #3F6126

tetradic

#263F61 #61265D #614826 #26612B

square

#263F61 #61265D #614826 #26612B

split-complementary

#263F61 #612B26 #5D6126

monochromatic

#090E16 #152235 #263F61 #375C8D #4A78B8

Accessibility & contrast

On white

10.68

#263F61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#263F61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F61

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F61	#FFFFFF	#000000	##FFFFFF
##263F61	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314162

Deuteranopia (green-blind)

#293C60

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #263f61;
/* rgb */ color: rgb(38, 63, 97);
/* oklch */ color: oklch(36.4% 0.067 256.4);

Tailwind

colors: {
  custom: {
    50: '#66738e',
    500: '#263f61',
    950: '#000000',
  },
}

SCSS

$custom: #263f61;
$custom-light: #66738e;
$custom-dark: #000000;

JSON

{
  "hex": "#263f61",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 97
  },
  "hsl": {
    "h": 214.576,
    "s": 43.704,
    "l": 26.471
  },
  "oklch": {
    "l": 0.3645,
    "c": 0.06685,
    "h": 256.4
  },
  "luminance": 0.0483
}

Semantic roles & 50–950 ramp

primary

#263F61

secondary

#94774F

accent

#9E54D3

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #263F61

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

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