#263A89#263A89

#263A89 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.2% C 0.134 H 268.5°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#263A89
RGB	rgb(38, 58, 137)
HSL	hsl(228, 57%, 34%)
HSV	hsv(228, 72%, 54%)
CMYK	cmyk(72.3%, 57.7%, 0%, 46.3%)
CIE-LAB	lab(27.42, 20.69, -46.48)
CIE-LCH	lch(27.42, 50.88, 293.99°)
OKLab	oklab(38.21% -0.0034 -0.1339)
OKLCH	oklch(38.21% 0.134 268.5)
XYZ	xyz(6.8262, 5.2436, 24.3144)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A89 #897526

analogous

#266C89 #263A89 #442689

triadic

#263A89 #89263A #3A8926

tetradic

#263A89 #89266C #897526 #268944

square

#263A89 #89266C #897526 #268944

split-complementary

#263A89 #894426 #6C8926

monochromatic

#0B1129 #192659 #263A89 #334EB9 #5971D1

Accessibility & contrast

On white

10.25

#263A89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#263A89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A89

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A89	#FFFFFF	#000000	##FFFFFF
##263A89	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458C

Deuteranopia (green-blind)

#003C87

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #263a89;
/* rgb */ color: rgb(38, 58, 137);
/* oklch */ color: oklch(38.2% 0.134 268.5);

Tailwind

colors: {
  custom: {
    50: '#6e6fac',
    500: '#263a89',
    950: '#000000',
  },
}

SCSS

$custom: #263a89;
$custom-light: #6e6fac;
$custom-dark: #000000;

JSON

{
  "hex": "#263a89",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 137
  },
  "hsl": {
    "h": 227.879,
    "s": 56.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38209,
    "c": 0.13392,
    "h": 268.5
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#263A89

secondary

#B6A255

accent

#C148E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #263A89

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

Preview Lab → · Contrast checker → · Palette generator →