#263A57#263A57

#263A57 is a dark, muted blue. Relative luminance 0.041; OKLCH L 34.6% C 0.057 H 257.6°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#263A57
RGB	rgb(38, 58, 87)
HSL	hsl(216, 39%, 25%)
HSV	hsv(216, 56%, 34%)
CMYK	cmyk(56.3%, 33.3%, 0%, 65.9%)
CIE-LAB	lab(24.08, 1.61, -19.90)
CIE-LCH	lch(24.08, 19.97, 274.62°)
OKLab	oklab(34.59% -0.0123 -0.0559)
OKLCH	oklch(34.59% 0.057 257.6)
XYZ	xyz(4.0321, 4.1260, 9.5989)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A57 #574326

analogous

#265357 #263A57 #2B2657

triadic

#263A57 #57263A #3A5726

tetradic

#263A57 #572653 #574326 #26572B

square

#263A57 #572653 #574326 #26572B

split-complementary

#263A57 #572B26 #535726

monochromatic

#090E15 #131E2C #263A57 #395682 #4B73AC

Accessibility & contrast

On white

11.51

#263A57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#263A57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A57

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A57	#FFFFFF	#000000	##FFFFFF
##263A57	1.00	11.51	1.83	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3C58

Deuteranopia (green-blind)

#293756

Tritanopia (blue-blind)

#0D4044

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #263a57;
/* rgb */ color: rgb(38, 58, 87);
/* oklch */ color: oklch(34.6% 0.057 257.6);

Tailwind

colors: {
  custom: {
    50: '#646f86',
    500: '#263a57',
    950: '#000000',
  },
}

SCSS

$custom: #263a57;
$custom-light: #646f86;
$custom-dark: #000000;

JSON

{
  "hex": "#263a57",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 87
  },
  "hsl": {
    "h": 215.51,
    "s": 39.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34586,
    "c": 0.05728,
    "h": 257.6
  },
  "luminance": 0.04126
}

Semantic roles & 50–950 ramp

primary

#263A57

secondary

#8A724F

accent

#9F59CF

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #263A57

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

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