#263B89#263B89

#263B89 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.4% C 0.133 H 268.1°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#263B89
RGB	rgb(38, 59, 137)
HSL	hsl(227, 57%, 34%)
HSV	hsv(227, 72%, 54%)
CMYK	cmyk(72.3%, 56.9%, 0%, 46.3%)
CIE-LAB	lab(27.70, 20.00, -46.03)
CIE-LCH	lch(27.70, 50.18, 293.49°)
OKLab	oklab(38.42% -0.0043 -0.1325)
OKLCH	oklch(38.42% 0.133 268.1)
XYZ	xyz(6.8771, 5.3454, 24.3314)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B89 #897426

analogous

#266D89 #263B89 #432689

triadic

#263B89 #89263B #3B8926

tetradic

#263B89 #89266D #897426 #268943

square

#263B89 #89266D #897426 #268943

split-complementary

#263B89 #894326 #6D8926

monochromatic

#0B1229 #192659 #263B89 #3350B9 #5972D1

Accessibility & contrast

On white

10.15

#263B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#263B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B89

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B89	#FFFFFF	#000000	##FFFFFF
##263B89	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468C

Deuteranopia (green-blind)

#003D87

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #263b89;
/* rgb */ color: rgb(38, 59, 137);
/* oklch */ color: oklch(38.4% 0.133 268.1);

Tailwind

colors: {
  custom: {
    50: '#6e70ac',
    500: '#263b89',
    950: '#000000',
  },
}

SCSS

$custom: #263b89;
$custom-light: #6e70ac;
$custom-dark: #000000;

JSON

{
  "hex": "#263b89",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 137
  },
  "hsl": {
    "h": 227.273,
    "s": 56.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38418,
    "c": 0.1326,
    "h": 268.1
  },
  "luminance": 0.05346
}

Semantic roles & 50–950 ramp

primary

#263B89

secondary

#B6A155

accent

#C048E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #263B89

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

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