#263F8D#263F8D

#263F8D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.6% C 0.133 H 266.8°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#263F8D
RGB	rgb(38, 63, 141)
HSL	hsl(225, 58%, 35%)
HSV	hsv(225, 73%, 55%)
CMYK	cmyk(73%, 55.3%, 0%, 44.7%)
CIE-LAB	lab(29.13, 18.80, -46.17)
CIE-LCH	lch(29.13, 49.86, 292.16°)
OKLab	oklab(39.6% -0.0075 -0.1329)
OKLCH	oklch(39.6% 0.133 266.8)
XYZ	xyz(7.3829, 5.8894, 25.9418)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F8D #8D7426

analogous

#26728D #263F8D #41268D

triadic

#263F8D #8D263F #3F8D26

tetradic

#263F8D #8D2672 #8D7426 #268D41

square

#263F8D #8D2672 #8D7426 #268D41

split-complementary

#263F8D #8D4126 #728D26

monochromatic

#0C142D #19295D #263F8D #3355BD #5B78D3

Accessibility & contrast

On white

9.64

#263F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#263F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F8D

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F8D	#FFFFFF	#000000	##FFFFFF
##263F8D	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024A90

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #263f8d;
/* rgb */ color: rgb(38, 63, 141);
/* oklch */ color: oklch(39.6% 0.133 266.8);

Tailwind

colors: {
  custom: {
    50: '#6f73af',
    500: '#263f8d',
    950: '#000000',
  },
}

SCSS

$custom: #263f8d;
$custom-light: #6f73af;
$custom-dark: #000000;

JSON

{
  "hex": "#263f8d",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 141
  },
  "hsl": {
    "h": 225.437,
    "s": 57.542,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39596,
    "c": 0.13311,
    "h": 266.8
  },
  "luminance": 0.0589
}

Semantic roles & 50–950 ramp

primary

#263F8D

secondary

#B8A057

accent

#BB47E1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #263F8D

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

Preview Lab → · Contrast checker → · Palette generator →