#263F58#263F58

#263F58 is a dark, muted cyan. Relative luminance 0.047; OKLCH L 35.9% C 0.054 H 249.5°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#263F58
RGB	rgb(38, 63, 88)
HSL	hsl(210, 40%, 25%)
HSV	hsv(210, 57%, 35%)
CMYK	cmyk(56.8%, 28.4%, 0%, 65.5%)
CIE-LAB	lab(25.78, -1.39, -17.92)
CIE-LCH	lch(25.78, 17.97, 265.55°)
OKLab	oklab(35.93% -0.0187 -0.0502)
OKLCH	oklch(35.93% 0.054 249.5)
XYZ	xyz(4.3377, 4.6713, 9.9037)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F58 #583F26

analogous

#265858 #263F58 #262658

triadic

#263F58 #58263F #3F5826

tetradic

#263F58 #582658 #583F26 #265826

square

#263F58 #582658 #583F26 #265826

split-complementary

#263F58 #582626 #585826

monochromatic

#090F15 #14202D #263F58 #385E83 #4B7CAD

Accessibility & contrast

On white

10.86

#263F58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#263F58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F58

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F58	#FFFFFF	#000000	##FFFFFF
##263F58	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354059

Deuteranopia (green-blind)

#2E3B58

Tritanopia (blue-blind)

#0A4548

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #263f58;
/* rgb */ color: rgb(38, 63, 88);
/* oklch */ color: oklch(35.9% 0.054 249.5);

Tailwind

colors: {
  custom: {
    50: '#647387',
    500: '#263f58',
    950: '#000000',
  },
}

SCSS

$custom: #263f58;
$custom-light: #647387;
$custom-dark: #000000;

JSON

{
  "hex": "#263f58",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 88
  },
  "hsl": {
    "h": 210,
    "s": 39.683,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35931,
    "c": 0.05357,
    "h": 249.5
  },
  "luminance": 0.04672
}

Semantic roles & 50–950 ramp

primary

#263F58

secondary

#8B6D4F

accent

#9458D0

background

#F6F7F8

surface

#EBEDEF

border

#C6C8CA

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #263F58

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

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