#263B87#263B87

#263B87 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.130 H 268.0°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#263B87
RGB	rgb(38, 59, 135)
HSL	hsl(227, 56%, 34%)
HSV	hsv(227, 72%, 53%)
CMYK	cmyk(71.9%, 56.3%, 0%, 47.1%)
CIE-LAB	lab(27.54, 19.22, -45.04)
CIE-LCH	lch(27.54, 48.97, 293.12°)
OKLab	oklab(38.25% -0.0044 -0.1296)
OKLCH	oklch(38.25% 0.13 268)
XYZ	xyz(6.7350, 5.2886, 23.5828)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B87 #877226

analogous

#266C87 #263B87 #422687

triadic

#263B87 #87263B #3B8726

tetradic

#263B87 #87266C #877226 #268742

square

#263B87 #87266C #877226 #268742

split-complementary

#263B87 #874226 #6C8726

monochromatic

#0B1127 #192657 #263B87 #3350B7 #5872D0

Accessibility & contrast

On white

10.21

#263B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#263B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B87

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B87	#FFFFFF	#000000	##FFFFFF
##263B87	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468A

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #263b87;
/* rgb */ color: rgb(38, 59, 135);
/* oklch */ color: oklch(38.3% 0.130 268.0);

Tailwind

colors: {
  custom: {
    50: '#6e70ab',
    500: '#263b87',
    950: '#000000',
  },
}

SCSS

$custom: #263b87;
$custom-light: #6e70ab;
$custom-dark: #000000;

JSON

{
  "hex": "#263b87",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 135
  },
  "hsl": {
    "h": 227.01,
    "s": 56.069,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38252,
    "c": 0.1297,
    "h": 268
  },
  "luminance": 0.05289
}

Semantic roles & 50–950 ramp

primary

#263B87

secondary

#B5A054

accent

#BF48DF

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #263B87

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

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