#263F83#263F83

#263F83 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.8% C 0.118 H 265.9°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#263F83
RGB	rgb(38, 63, 131)
HSL	hsl(224, 55%, 33%)
HSV	hsv(224, 71%, 51%)
CMYK	cmyk(71%, 51.9%, 0%, 48.6%)
CIE-LAB	lab(28.39, 14.91, -41.17)
CIE-LCH	lch(28.39, 43.79, 289.90°)
OKLab	oklab(38.8% -0.0085 -0.1182)
OKLCH	oklch(38.8% 0.118 265.9)
XYZ	xyz(6.6721, 5.6051, 22.1986)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F83 #836A26

analogous

#266D83 #263F83 #3B2683

triadic

#263F83 #83263F #3F8326

tetradic

#263F83 #83266D #836A26 #26833B

square

#263F83 #83266D #836A26 #26833B

split-complementary

#263F83 #833B26 #6D8326

monochromatic

#0A1124 #182854 #263F83 #3456B2 #5676CE

Accessibility & contrast

On white

9.90

#263F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#263F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F83

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F83	#FFFFFF	#000000	##FFFFFF
##263F83	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174785

Deuteranopia (green-blind)

#003F82

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263f83;
/* rgb */ color: rgb(38, 63, 131);
/* oklch */ color: oklch(38.8% 0.118 265.9);

Tailwind

colors: {
  custom: {
    50: '#6c73a7',
    500: '#263f83',
    950: '#000000',
  },
}

SCSS

$custom: #263f83;
$custom-light: #6c73a7;
$custom-dark: #000000;

JSON

{
  "hex": "#263f83",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 131
  },
  "hsl": {
    "h": 223.871,
    "s": 55.03,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38802,
    "c": 0.11849,
    "h": 265.9
  },
  "luminance": 0.05606
}

Semantic roles & 50–950 ramp

primary

#263F83

secondary

#B29952

accent

#B649DE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #263F83

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

Preview Lab → · Contrast checker → · Palette generator →