#263E8F#263E8F

#263E8F is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.137 H 267.3°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#263E8F
RGB	rgb(38, 62, 143)
HSL	hsl(226, 58%, 35%)
HSV	hsv(226, 73%, 56%)
CMYK	cmyk(73.4%, 56.6%, 0%, 43.9%)
CIE-LAB	lab(29.00, 20.27, -47.61)
CIE-LCH	lch(29.00, 51.75, 293.06°)
OKLab	oklab(39.55% -0.0065 -0.1371)
OKLCH	oklch(39.55% 0.137 267.3)
XYZ	xyz(7.4782, 5.8397, 26.7143)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E8F #8F7726

analogous

#26728F #263E8F #43268F

triadic

#263E8F #8F263E #3E8F26

tetradic

#263E8F #8F2672 #8F7726 #268F43

square

#263E8F #8F2672 #8F7726 #268F43

split-complementary

#263E8F #8F4326 #728F26

monochromatic

#0C142E #19295F #263E8F #3353BF #5C77D4

Accessibility & contrast

On white

9.69

#263E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#263E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E8F

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E8F	#FFFFFF	#000000	##FFFFFF
##263E8F	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004992

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #263e8f;
/* rgb */ color: rgb(38, 62, 143);
/* oklch */ color: oklch(39.5% 0.137 267.3);

Tailwind

colors: {
  custom: {
    50: '#6f72b0',
    500: '#263e8f',
    950: '#000000',
  },
}

SCSS

$custom: #263e8f;
$custom-light: #6f72b0;
$custom-dark: #000000;

JSON

{
  "hex": "#263e8f",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 143
  },
  "hsl": {
    "h": 226.286,
    "s": 58.011,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39549,
    "c": 0.1373,
    "h": 267.3
  },
  "luminance": 0.0584
}

Semantic roles & 50–950 ramp

primary

#263E8F

secondary

#B9A358

accent

#BE47E1

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080811

muted

#7B7B80

Preview Lab

Preview with #263E8F

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

Preview Lab → · Contrast checker → · Palette generator →