#263D83#263D83

#263D83 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.121 H 266.9°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#263D83
RGB	rgb(38, 61, 131)
HSL	hsl(225, 55%, 33%)
HSV	hsv(225, 71%, 51%)
CMYK	cmyk(71%, 53.4%, 0%, 48.6%)
CIE-LAB	lab(27.81, 16.29, -42.11)
CIE-LCH	lch(27.81, 45.15, 291.15°)
OKLab	oklab(38.36% -0.0066 -0.121)
OKLCH	oklch(38.36% 0.121 266.9)
XYZ	xyz(6.5634, 5.3876, 22.1623)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D83 #836C26

analogous

#266B83 #263D83 #3D2683

triadic

#263D83 #83263D #3D8326

tetradic

#263D83 #83266B #836C26 #26833D

square

#263D83 #83266B #836C26 #26833D

split-complementary

#263D83 #833D26 #6B8326

monochromatic

#0A1124 #182754 #263D83 #3453B2 #5673CE

Accessibility & contrast

On white

10.11

#263D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#263D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D83

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D83	#FFFFFF	#000000	##FFFFFF
##263D83	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114685

Deuteranopia (green-blind)

#003E82

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #263d83;
/* rgb */ color: rgb(38, 61, 131);
/* oklch */ color: oklch(38.4% 0.121 266.9);

Tailwind

colors: {
  custom: {
    50: '#6d72a8',
    500: '#263d83',
    950: '#000000',
  },
}

SCSS

$custom: #263d83;
$custom-light: #6d72a8;
$custom-dark: #000000;

JSON

{
  "hex": "#263d83",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 131
  },
  "hsl": {
    "h": 225.161,
    "s": 55.03,
    "l": 33.137
  },
  "oklch": {
    "l": 0.3836,
    "c": 0.12116,
    "h": 266.9
  },
  "luminance": 0.05388
}

Semantic roles & 50–950 ramp

primary

#263D83

secondary

#B29B52

accent

#BA49DE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #263D83

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

Preview Lab → · Contrast checker → · Palette generator →