#263B57#263B57

#263B57 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.056 H 255.9°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#263B57
RGB	rgb(38, 59, 87)
HSL	hsl(214, 39%, 25%)
HSV	hsv(214, 56%, 34%)
CMYK	cmyk(56.3%, 32.2%, 0%, 65.9%)
CIE-LAB	lab(24.41, 0.93, -19.39)
CIE-LCH	lch(24.41, 19.41, 272.74°)
OKLab	oklab(34.84% -0.0136 -0.0545)
OKLCH	oklch(34.84% 0.056 255.9)
XYZ	xyz(4.0830, 4.2278, 9.6159)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B57 #574226

analogous

#265457 #263B57 #2A2657

triadic

#263B57 #57263B #3B5726

tetradic

#263B57 #572654 #574226 #26572A

square

#263B57 #572654 #574226 #26572A

split-complementary

#263B57 #572A26 #545726

monochromatic

#090E15 #131E2C #263B57 #395882 #4B75AC

Accessibility & contrast

On white

11.38

#263B57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#263B57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B57

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B57	#FFFFFF	#000000	##FFFFFF
##263B57	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303D58

Deuteranopia (green-blind)

#2A3856

Tritanopia (blue-blind)

#0D4145

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263b57;
/* rgb */ color: rgb(38, 59, 87);
/* oklch */ color: oklch(34.8% 0.056 255.9);

Tailwind

colors: {
  custom: {
    50: '#647086',
    500: '#263b57',
    950: '#000000',
  },
}

SCSS

$custom: #263b57;
$custom-light: #647086;
$custom-dark: #000000;

JSON

{
  "hex": "#263b57",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 87
  },
  "hsl": {
    "h": 214.286,
    "s": 39.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34842,
    "c": 0.05614,
    "h": 255.9
  },
  "luminance": 0.04228
}

Semantic roles & 50–950 ramp

primary

#263B57

secondary

#8A714F

accent

#9C59CF

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #263B57

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

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