#263C8C#263C8C

#263C8C is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.136 H 267.9°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#263C8C
RGB	rgb(38, 60, 140)
HSL	hsl(227, 57%, 35%)
HSV	hsv(227, 73%, 55%)
CMYK	cmyk(72.9%, 57.1%, 0%, 45.1%)
CIE-LAB	lab(28.21, 20.47, -47.05)
CIE-LCH	lch(28.21, 51.31, 293.52°)
OKLab	oklab(38.88% -0.005 -0.1355)
OKLCH	oklch(38.88% 0.136 267.9)
XYZ	xyz(7.1472, 5.5365, 25.4978)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C8C #8C7626

analogous

#266F8C #263C8C #43268C

triadic

#263C8C #8C263C #3C8C26

tetradic

#263C8C #8C266F #8C7626 #268C43

square

#263C8C #8C266F #8C7626 #268C43

split-complementary

#263C8C #8C4326 #6F8C26

monochromatic

#0C132C #19275C #263C8C #3351BC #5A74D2

Accessibility & contrast

On white

9.96

#263C8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#263C8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C8C

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C8C	#FFFFFF	#000000	##FFFFFF
##263C8C	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478F

Deuteranopia (green-blind)

#003E8A

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263c8c;
/* rgb */ color: rgb(38, 60, 140);
/* oklch */ color: oklch(38.9% 0.136 267.9);

Tailwind

colors: {
  custom: {
    50: '#6f71ae',
    500: '#263c8c',
    950: '#000000',
  },
}

SCSS

$custom: #263c8c;
$custom-light: #6f71ae;
$custom-dark: #000000;

JSON

{
  "hex": "#263c8c",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 140
  },
  "hsl": {
    "h": 227.059,
    "s": 57.303,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38879,
    "c": 0.13561,
    "h": 267.9
  },
  "luminance": 0.05537
}

Semantic roles & 50–950 ramp

primary

#263C8C

secondary

#B7A257

accent

#BF47E1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #263C8C

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

Preview Lab → · Contrast checker → · Palette generator →