#263F54#263F54

#263F54 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.048 H 245.1°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#263F54
RGB	rgb(38, 63, 84)
HSL	hsl(207, 38%, 24%)
HSV	hsv(207, 55%, 33%)
CMYK	cmyk(54.8%, 25%, 0%, 67.1%)
CIE-LAB	lab(25.58, -2.80, -15.60)
CIE-LCH	lch(25.58, 15.85, 259.81°)
OKLab	oklab(35.72% -0.0202 -0.0435)
OKLCH	oklch(35.72% 0.048 245.1)
XYZ	xyz(4.1765, 4.6069, 9.0549)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F54 #543B26

analogous

#265452 #263F54 #262854

triadic

#263F54 #54263F #3F5426

tetradic

#263F54 #522654 #543B26 #285426

square

#263F54 #522654 #543B26 #285426

split-complementary

#263F54 #542628 #545226

monochromatic

#0A1015 #131F2A #263F54 #395F7E #4C7EA8

Accessibility & contrast

On white

10.93

#263F54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#263F54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F54

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F54	#FFFFFF	#000000	##FFFFFF
##263F54	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363F55

Deuteranopia (green-blind)

#303B54

Tritanopia (blue-blind)

#0F4446

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #263f54;
/* rgb */ color: rgb(38, 63, 84);
/* oklch */ color: oklch(35.7% 0.048 245.1);

Tailwind

colors: {
  custom: {
    50: '#647384',
    500: '#263f54',
    950: '#000000',
  },
}

SCSS

$custom: #263f54;
$custom-light: #647384;
$custom-dark: #000000;

JSON

{
  "hex": "#263f54",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 84
  },
  "hsl": {
    "h": 207.391,
    "s": 37.705,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35715,
    "c": 0.04801,
    "h": 245.1
  },
  "luminance": 0.04607
}

Semantic roles & 50–950 ramp

primary

#263F54

secondary

#87684F

accent

#8F5ACE

background

#F6F7F8

surface

#EBEDEF

border

#C6C8CA

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #263F54

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

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