#263B83#263B83

#263B83 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.9% C 0.124 H 267.8°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#263B83
RGB	rgb(38, 59, 131)
HSL	hsl(226, 55%, 33%)
HSV	hsv(226, 71%, 51%)
CMYK	cmyk(71%, 55%, 0%, 48.6%)
CIE-LAB	lab(27.24, 17.67, -43.04)
CIE-LCH	lch(27.24, 46.53, 292.32°)
OKLab	oklab(37.92% -0.0047 -0.1237)
OKLCH	oklch(37.92% 0.124 267.8)
XYZ	xyz(6.4586, 5.1781, 22.1274)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B83 #836E26

analogous

#266983 #263B83 #3F2683

triadic

#263B83 #83263B #3B8326

tetradic

#263B83 #832669 #836E26 #26833F

square

#263B83 #832669 #836E26 #26833F

split-complementary

#263B83 #833F26 #698326

monochromatic

#0A1024 #182654 #263B83 #3450B2 #5671CE

Accessibility & contrast

On white

10.32

#263B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#263B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B83

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B83	#FFFFFF	#000000	##FFFFFF
##263B83	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#084586

Deuteranopia (green-blind)

#003C82

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #263b83;
/* rgb */ color: rgb(38, 59, 131);
/* oklch */ color: oklch(37.9% 0.124 267.8);

Tailwind

colors: {
  custom: {
    50: '#6d70a8',
    500: '#263b83',
    950: '#000000',
  },
}

SCSS

$custom: #263b83;
$custom-light: #6d70a8;
$custom-dark: #000000;

JSON

{
  "hex": "#263b83",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 131
  },
  "hsl": {
    "h": 226.452,
    "s": 55.03,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37925,
    "c": 0.12384,
    "h": 267.8
  },
  "luminance": 0.05179
}

Semantic roles & 50–950 ramp

primary

#263B83

secondary

#B29D52

accent

#BD49DE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #263B83

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

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