#263A81#263A81

#263A81 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.5% C 0.122 H 268.1°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#263A81
RGB	rgb(38, 58, 129)
HSL	hsl(227, 54%, 33%)
HSV	hsv(227, 71%, 51%)
CMYK	cmyk(70.5%, 55%, 0%, 49.4%)
CIE-LAB	lab(26.80, 17.59, -42.50)
CIE-LCH	lch(26.80, 45.99, 292.48°)
OKLab	oklab(37.55% -0.004 -0.1222)
OKLCH	oklch(37.55% 0.122 268.1)
XYZ	xyz(6.2735, 5.0226, 21.4035)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A81 #816D26

analogous

#266781 #263A81 #3F2681

triadic

#263A81 #81263A #3A8126

tetradic

#263A81 #812667 #816D26 #26813F

square

#263A81 #812667 #816D26 #26813F

split-complementary

#263A81 #813F26 #678126

monochromatic

#0A0F22 #182552 #263A81 #344FB0 #556FCD

Accessibility & contrast

On white

10.48

#263A81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#263A81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A81

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A81	#FFFFFF	#000000	##FFFFFF
##263A81	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#084483

Deuteranopia (green-blind)

#003B80

Tritanopia (blue-blind)

#004B57

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #263a81;
/* rgb */ color: rgb(38, 58, 129);
/* oklch */ color: oklch(37.5% 0.122 268.1);

Tailwind

colors: {
  custom: {
    50: '#6c6fa6',
    500: '#263a81',
    950: '#000000',
  },
}

SCSS

$custom: #263a81;
$custom-light: #6c6fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#263a81",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 129
  },
  "hsl": {
    "h": 226.813,
    "s": 54.491,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37547,
    "c": 0.12222,
    "h": 268.1
  },
  "luminance": 0.05023
}

Semantic roles & 50–950 ramp

primary

#263A81

secondary

#B19C51

accent

#BD4ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #263A81

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

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