#263D81#263D81

#263D81 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.2% C 0.118 H 266.7°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#263D81
RGB	rgb(38, 61, 129)
HSL	hsl(225, 54%, 33%)
HSV	hsv(225, 71%, 51%)
CMYK	cmyk(70.5%, 52.7%, 0%, 49.4%)
CIE-LAB	lab(27.67, 15.51, -41.10)
CIE-LCH	lch(27.67, 43.93, 290.68°)
OKLab	oklab(38.2% -0.0068 -0.118)
OKLCH	oklch(38.2% 0.118 266.7)
XYZ	xyz(6.4291, 5.3339, 21.4553)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D81 #816A26

analogous

#266A81 #263D81 #3C2681

triadic

#263D81 #81263D #3D8126

tetradic

#263D81 #81266A #816A26 #26813C

square

#263D81 #81266A #816A26 #26813C

split-complementary

#263D81 #813C26 #6A8126

monochromatic

#0A1022 #182752 #263D81 #3453B0 #5573CD

Accessibility & contrast

On white

10.16

#263D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#263D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D81

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D81	#FFFFFF	#000000	##FFFFFF
##263D81	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144683

Deuteranopia (green-blind)

#003D80

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #263d81;
/* rgb */ color: rgb(38, 61, 129);
/* oklch */ color: oklch(38.2% 0.118 266.7);

Tailwind

colors: {
  custom: {
    50: '#6c72a6',
    500: '#263d81',
    950: '#000000',
  },
}

SCSS

$custom: #263d81;
$custom-light: #6c72a6;
$custom-dark: #000000;

JSON

{
  "hex": "#263d81",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 129
  },
  "hsl": {
    "h": 224.835,
    "s": 54.491,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38203,
    "c": 0.11819,
    "h": 266.7
  },
  "luminance": 0.05335
}

Semantic roles & 50–950 ramp

primary

#263D81

secondary

#B19951

accent

#B84ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #263D81

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

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