#263F5E#263F5E

#263F5E is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.3% C 0.062 H 254.5°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#263F5E
RGB	rgb(38, 63, 94)
HSL	hsl(213, 42%, 26%)
HSV	hsv(213, 60%, 37%)
CMYK	cmyk(59.6%, 33%, 0%, 63.1%)
CIE-LAB	lab(26.08, 0.77, -21.34)
CIE-LCH	lch(26.08, 21.35, 272.07°)
OKLab	oklab(36.27% -0.0167 -0.0601)
OKLCH	oklch(36.27% 0.062 254.5)
XYZ	xyz(4.5965, 4.7749, 11.2669)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F5E #5E4526

analogous

#265B5E #263F5E #29265E

triadic

#263F5E #5E263F #3F5E26

tetradic

#263F5E #5E265B #5E4526 #265E29

square

#263F5E #5E265B #5E4526 #265E29

split-complementary

#263F5E #5E2926 #5B5E26

monochromatic

#090F16 #142232 #263F5E #385C8A #4979B5

Accessibility & contrast

On white

10.74

#263F5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#263F5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F5E

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F5E	#FFFFFF	#000000	##FFFFFF
##263F5E	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32415F

Deuteranopia (green-blind)

#2B3B5D

Tritanopia (blue-blind)

#02464A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #263f5e;
/* rgb */ color: rgb(38, 63, 94);
/* oklch */ color: oklch(36.3% 0.062 254.5);

Tailwind

colors: {
  custom: {
    50: '#65738c',
    500: '#263f5e',
    950: '#000000',
  },
}

SCSS

$custom: #263f5e;
$custom-light: #65738c;
$custom-dark: #000000;

JSON

{
  "hex": "#263f5e",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 94
  },
  "hsl": {
    "h": 213.214,
    "s": 42.424,
    "l": 25.882
  },
  "oklch": {
    "l": 0.36272,
    "c": 0.06234,
    "h": 254.5
  },
  "luminance": 0.04775
}

Semantic roles & 50–950 ramp

primary

#263F5E

secondary

#91734F

accent

#9B56D2

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #263F5E

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

Preview Lab → · Contrast checker → · Palette generator →