#263B58#263B58

#263B58 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.9% C 0.058 H 256.7°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#263B58
RGB	rgb(38, 59, 88)
HSL	hsl(215, 40%, 25%)
HSV	hsv(215, 57%, 35%)
CMYK	cmyk(56.8%, 33%, 0%, 65.5%)
CIE-LAB	lab(24.46, 1.29, -19.96)
CIE-LCH	lch(24.46, 20.01, 273.69°)
OKLab	oklab(34.9% -0.0133 -0.0561)
OKLCH	oklch(34.9% 0.058 256.7)
XYZ	xyz(4.1241, 4.2443, 9.8325)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B58 #584326

analogous

#265458 #263B58 #2A2658

triadic

#263B58 #58263B #3B5826

tetradic

#263B58 #582654 #584326 #26582A

square

#263B58 #582654 #584326 #26582A

split-complementary

#263B58 #582A26 #545826

monochromatic

#090E15 #141E2D #263B58 #385883 #4B74AD

Accessibility & contrast

On white

11.36

#263B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#263B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B58

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B58	#FFFFFF	#000000	##FFFFFF
##263B58	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303D59

Deuteranopia (green-blind)

#293857

Tritanopia (blue-blind)

#0C4145

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263b58;
/* rgb */ color: rgb(38, 59, 88);
/* oklch */ color: oklch(34.9% 0.058 256.7);

Tailwind

colors: {
  custom: {
    50: '#647087',
    500: '#263b58',
    950: '#000000',
  },
}

SCSS

$custom: #263b58;
$custom-light: #647087;
$custom-dark: #000000;

JSON

{
  "hex": "#263b58",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 88
  },
  "hsl": {
    "h": 214.8,
    "s": 39.683,
    "l": 24.706
  },
  "oklch": {
    "l": 0.349,
    "c": 0.05768,
    "h": 256.7
  },
  "luminance": 0.04245
}

Semantic roles & 50–950 ramp

primary

#263B58

secondary

#8B724F

accent

#9D58D0

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #263B58

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

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