#263F72#263F72

#263F72 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.6% C 0.093 H 263.0°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#263F72
RGB	rgb(38, 63, 114)
HSL	hsl(220, 50%, 30%)
HSV	hsv(220, 67%, 45%)
CMYK	cmyk(66.7%, 44.7%, 0%, 55.3%)
CIE-LAB	lab(27.25, 8.31, -32.33)
CIE-LCH	lch(27.25, 33.38, 284.41°)
OKLab	oklab(37.55% -0.0113 -0.0922)
OKLCH	oklch(37.55% 0.093 263)
XYZ	xyz(5.6130, 5.1815, 16.6206)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F72 #725926

analogous

#266572 #263F72 #332672

triadic

#263F72 #72263F #3F7226

tetradic

#263F72 #722665 #725926 #267233

square

#263F72 #722665 #725926 #267233

split-complementary

#263F72 #723326 #657226

monochromatic

#080D17 #172644 #263F72 #3558A0 #4E75C4

Accessibility & contrast

On white

10.31

#263F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#263F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F72

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F72	#FFFFFF	#000000	##FFFFFF
##263F72	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284474

Deuteranopia (green-blind)

#1C3D71

Tritanopia (blue-blind)

#004B53

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #263f72;
/* rgb */ color: rgb(38, 63, 114);
/* oklch */ color: oklch(37.6% 0.093 263.0);

Tailwind

colors: {
  custom: {
    50: '#69739b',
    500: '#263f72',
    950: '#000000',
  },
}

SCSS

$custom: #263f72;
$custom-light: #69739b;
$custom-dark: #000000;

JSON

{
  "hex": "#263f72",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 114
  },
  "hsl": {
    "h": 220.263,
    "s": 50,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37554,
    "c": 0.09286,
    "h": 263
  },
  "luminance": 0.05182
}

Semantic roles & 50–950 ramp

primary

#263F72

secondary

#A5884F

accent

#AC4EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #263F72

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

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