#263A87#263A87

#263A87 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.131 H 268.5°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#263A87
RGB	rgb(38, 58, 135)
HSL	hsl(228, 56%, 34%)
HSV	hsv(228, 72%, 53%)
CMYK	cmyk(71.9%, 57%, 0%, 47.1%)
CIE-LAB	lab(27.26, 19.91, -45.49)
CIE-LCH	lch(27.26, 49.66, 293.64°)
OKLab	oklab(38.04% -0.0035 -0.131)
OKLCH	oklch(38.04% 0.131 268.5)
XYZ	xyz(6.6841, 5.1868, 23.5659)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A87 #877326

analogous

#266B87 #263A87 #432687

triadic

#263A87 #87263A #3A8726

tetradic

#263A87 #87266B #877326 #268743

square

#263A87 #87266B #877326 #268743

split-complementary

#263A87 #874326 #6B8726

monochromatic

#0B1127 #192557 #263A87 #334FB7 #5870D0

Accessibility & contrast

On white

10.31

#263A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#263A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A87

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A87	#FFFFFF	#000000	##FFFFFF
##263A87	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #263a87;
/* rgb */ color: rgb(38, 58, 135);
/* oklch */ color: oklch(38.0% 0.131 268.5);

Tailwind

colors: {
  custom: {
    50: '#6e6fab',
    500: '#263a87',
    950: '#000000',
  },
}

SCSS

$custom: #263a87;
$custom-light: #6e6fab;
$custom-dark: #000000;

JSON

{
  "hex": "#263a87",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 135
  },
  "hsl": {
    "h": 227.629,
    "s": 56.069,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38041,
    "c": 0.13103,
    "h": 268.5
  },
  "luminance": 0.05187
}

Semantic roles & 50–950 ramp

primary

#263A87

secondary

#B5A154

accent

#C048DF

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #263A87

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

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