#263E8B#263E8B

#263E8B is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.2% C 0.132 H 267.0°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#263E8B
RGB	rgb(38, 62, 139)
HSL	hsl(226, 57%, 35%)
HSV	hsv(226, 73%, 55%)
CMYK	cmyk(72.7%, 55.4%, 0%, 45.5%)
CIE-LAB	lab(28.70, 18.71, -45.64)
CIE-LCH	lch(28.70, 49.33, 292.29°)
OKLab	oklab(39.22% -0.0068 -0.1314)
OKLCH	oklch(39.22% 0.132 267)
XYZ	xyz(7.1805, 5.7207, 25.1469)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E8B #8B7326

analogous

#26708B #263E8B #41268B

triadic

#263E8B #8B263E #3E8B26

tetradic

#263E8B #8B2670 #8B7326 #268B41

square

#263E8B #8B2670 #8B7326 #268B41

split-complementary

#263E8B #8B4126 #708B26

monochromatic

#0C132B #19295B #263E8B #3353BB #5A76D2

Accessibility & contrast

On white

9.79

#263E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#263E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E8B

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E8B	#FFFFFF	#000000	##FFFFFF
##263E8B	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03498E

Deuteranopia (green-blind)

#003F89

Tritanopia (blue-blind)

#00515E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #263e8b;
/* rgb */ color: rgb(38, 62, 139);
/* oklch */ color: oklch(39.2% 0.132 267.0);

Tailwind

colors: {
  custom: {
    50: '#6e72ad',
    500: '#263e8b',
    950: '#000000',
  },
}

SCSS

$custom: #263e8b;
$custom-light: #6e72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#263e8b",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 139
  },
  "hsl": {
    "h": 225.743,
    "s": 57.062,
    "l": 34.706
  },
  "oklch": {
    "l": 0.3922,
    "c": 0.13153,
    "h": 267
  },
  "luminance": 0.05721
}

Semantic roles & 50–950 ramp

primary

#263E8B

secondary

#B7A056

accent

#BC47E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #263E8B

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

Preview Lab → · Contrast checker → · Palette generator →