#263E81#263E81

#263E81 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.4% C 0.117 H 266.2°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#263E81
RGB	rgb(38, 62, 129)
HSL	hsl(224, 54%, 33%)
HSV	hsv(224, 71%, 51%)
CMYK	cmyk(70.5%, 51.9%, 0%, 49.4%)
CIE-LAB	lab(27.96, 14.82, -40.63)
CIE-LCH	lch(27.96, 43.24, 290.04°)
OKLab	oklab(38.42% -0.0078 -0.1166)
OKLCH	oklch(38.42% 0.117 266.2)
XYZ	xyz(6.4830, 5.4417, 21.4733)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E81 #816926

analogous

#266B81 #263E81 #3C2681

triadic

#263E81 #81263E #3E8126

tetradic

#263E81 #81266B #816926 #26813C

square

#263E81 #81266B #816926 #26813C

split-complementary

#263E81 #813C26 #6B8126

monochromatic

#0A1122 #182752 #263E81 #3455B0 #5574CD

Accessibility & contrast

On white

10.06

#263E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#263E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E81

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E81	#FFFFFF	#000000	##FFFFFF
##263E81	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174683

Deuteranopia (green-blind)

#003E80

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #263e81;
/* rgb */ color: rgb(38, 62, 129);
/* oklch */ color: oklch(38.4% 0.117 266.2);

Tailwind

colors: {
  custom: {
    50: '#6c72a6',
    500: '#263e81',
    950: '#000000',
  },
}

SCSS

$custom: #263e81;
$custom-light: #6c72a6;
$custom-dark: #000000;

JSON

{
  "hex": "#263e81",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 129
  },
  "hsl": {
    "h": 224.176,
    "s": 54.491,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38425,
    "c": 0.11685,
    "h": 266.2
  },
  "luminance": 0.05442
}

Semantic roles & 50–950 ramp

primary

#263E81

secondary

#B19851

accent

#B74ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #263E81

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

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