#263C8A#263C8A

#263C8A is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.133 H 267.8°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#263C8A
RGB	rgb(38, 60, 138)
HSL	hsl(227, 57%, 35%)
HSV	hsv(227, 72%, 54%)
CMYK	cmyk(72.5%, 56.5%, 0%, 45.9%)
CIE-LAB	lab(28.06, 19.70, -46.06)
CIE-LCH	lch(28.06, 50.10, 293.15°)
OKLab	oklab(38.71% -0.0051 -0.1326)
OKLCH	oklch(38.71% 0.133 267.8)
XYZ	xyz(7.0010, 5.4781, 24.7282)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C8A #8A7426

analogous

#266E8A #263C8A #42268A

triadic

#263C8A #8A263C #3C8A26

tetradic

#263C8A #8A266E #8A7426 #268A42

square

#263C8A #8A266E #8A7426 #268A42

split-complementary

#263C8A #8A4226 #6E8A26

monochromatic

#0C122A #19275A #263C8A #3351BA #5974D1

Accessibility & contrast

On white

10.02

#263C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#263C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C8A

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C8A	#FFFFFF	#000000	##FFFFFF
##263C8A	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478D

Deuteranopia (green-blind)

#003E88

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #263c8a;
/* rgb */ color: rgb(38, 60, 138);
/* oklch */ color: oklch(38.7% 0.133 267.8);

Tailwind

colors: {
  custom: {
    50: '#6e71ad',
    500: '#263c8a',
    950: '#000000',
  },
}

SCSS

$custom: #263c8a;
$custom-light: #6e71ad;
$custom-dark: #000000;

JSON

{
  "hex": "#263c8a",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 138
  },
  "hsl": {
    "h": 226.8,
    "s": 56.818,
    "l": 34.51
  },
  "oklch": {
    "l": 0.38712,
    "c": 0.13273,
    "h": 267.8
  },
  "luminance": 0.05479
}

Semantic roles & 50–950 ramp

primary

#263C8A

secondary

#B6A156

accent

#BF48E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #263C8A

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

Preview Lab → · Contrast checker → · Palette generator →