#2631A8#2631A8

#2631A8 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.4% C 0.187 H 270.4°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#2631A8
RGB	rgb(38, 49, 168)
HSL	hsl(235, 63%, 40%)
HSV	hsv(235, 77%, 66%)
CMYK	cmyk(77.4%, 70.8%, 0%, 34.1%)
CIE-LAB	lab(27.94, 38.19, -64.58)
CIE-LCH	lch(27.94, 75.02, 300.60°)
OKLab	oklab(39.45% 0.0013 -0.187)
OKLCH	oklch(39.45% 0.187 270.4)
XYZ	xyz(8.9631, 5.4349, 37.6148)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2631A8 #A89D26

analogous

#2672A8 #2631A8 #5C26A8

triadic

#2631A8 #A82631 #31A826

tetradic

#2631A8 #A82672 #A89D26 #26A85C

square

#2631A8 #A82672 #A89D26 #26A85C

split-complementary

#2631A8 #A85C26 #72A826

monochromatic

#0F1444 #1B2276 #2631A8 #3946D2 #6B75DE

Accessibility & contrast

On white

10.06

#2631A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2631A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2631A8

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2631A8	#FFFFFF	#000000	##FFFFFF
##2631A8	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)

#0048AC

Deuteranopia (green-blind)

#003CA6

Tritanopia (blue-blind)

#005269

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2631a8;
/* rgb */ color: rgb(38, 49, 168);
/* oklch */ color: oklch(39.4% 0.187 270.4);

Tailwind

colors: {
  custom: {
    50: '#776ac3',
    500: '#2631a8',
    950: '#000000',
  },
}

SCSS

$custom: #2631a8;
$custom-light: #776ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#2631a8",
  "rgb": {
    "r": 38,
    "g": 49,
    "b": 168
  },
  "hsl": {
    "h": 234.923,
    "s": 63.107,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39449,
    "c": 0.18696,
    "h": 270.4
  },
  "luminance": 0.05436
}

Semantic roles & 50–950 ramp

primary

#2631A8

secondary

#C4BC66

accent

#D842E6

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2631A8

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

Preview Lab → · Contrast checker → · Palette generator →