#263F55#263F55

#263F55 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.049 H 246.3°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#263F55
RGB	rgb(38, 63, 85)
HSL	hsl(208, 38%, 24%)
HSV	hsv(208, 55%, 33%)
CMYK	cmyk(55.3%, 25.9%, 0%, 66.7%)
CIE-LAB	lab(25.63, -2.45, -16.18)
CIE-LCH	lch(25.63, 16.37, 261.38°)
OKLab	oklab(35.77% -0.0199 -0.0452)
OKLCH	oklch(35.77% 0.049 246.3)
XYZ	xyz(4.2160, 4.6226, 9.2627)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F55 #553C26

analogous

#265554 #263F55 #262855

triadic

#263F55 #55263F #3F5526

tetradic

#263F55 #542655 #553C26 #285526

square

#263F55 #542655 #553C26 #285526

split-complementary

#263F55 #552628 #555426

monochromatic

#091015 #13202B #263F55 #395E7F #4C7EAA

Accessibility & contrast

On white

10.91

#263F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#263F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F55

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F55	#FFFFFF	#000000	##FFFFFF
##263F55	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363F56

Deuteranopia (green-blind)

#303B55

Tritanopia (blue-blind)

#0E4446

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #263f55;
/* rgb */ color: rgb(38, 63, 85);
/* oklch */ color: oklch(35.8% 0.049 246.3);

Tailwind

colors: {
  custom: {
    50: '#647385',
    500: '#263f55',
    950: '#000000',
  },
}

SCSS

$custom: #263f55;
$custom-light: #647385;
$custom-dark: #000000;

JSON

{
  "hex": "#263f55",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 85
  },
  "hsl": {
    "h": 208.085,
    "s": 38.211,
    "l": 24.118
  },
  "oklch": {
    "l": 0.35768,
    "c": 0.04937,
    "h": 246.3
  },
  "luminance": 0.04623
}

Semantic roles & 50–950 ramp

primary

#263F55

secondary

#886A4F

accent

#905ACE

background

#F6F7F8

surface

#EBEDEF

border

#C6C8CA

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #263F55

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

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