#2631AD#2631AD

#2631AD is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.0% C 0.193 H 270.2°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#2631AD
RGB	rgb(38, 49, 173)
HSL	hsl(235, 64%, 41%)
HSV	hsv(235, 78%, 68%)
CMYK	cmyk(78%, 71.7%, 0%, 32.2%)
CIE-LAB	lab(28.45, 39.96, -66.75)
CIE-LCH	lch(28.45, 77.79, 300.91°)
OKLab	oklab(39.97% 0.0007 -0.1933)
OKLCH	oklch(39.97% 0.193 270.2)
XYZ	xyz(9.4379, 5.6248, 40.1153)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2631AD #ADA226

analogous

#2675AD #2631AD #5F26AD

triadic

#2631AD #AD2631 #31AD26

tetradic

#2631AD #AD2675 #ADA226 #26AD5F

square

#2631AD #AD2675 #ADA226 #26AD5F

split-complementary

#2631AD #AD5F26 #75AD26

monochromatic

#101549 #1B237B #2631AD #3C48D4 #6E77DF

Accessibility & contrast

On white

9.88

#2631AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2631AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2631AD

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2631AD	#FFFFFF	#000000	##FFFFFF
##2631AD	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB1

Deuteranopia (green-blind)

#003CAB

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2631ad;
/* rgb */ color: rgb(38, 49, 173);
/* oklch */ color: oklch(40.0% 0.193 270.2);

Tailwind

colors: {
  custom: {
    50: '#786ac7',
    500: '#2631ad',
    950: '#000000',
  },
}

SCSS

$custom: #2631ad;
$custom-light: #786ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#2631ad",
  "rgb": {
    "r": 38,
    "g": 49,
    "b": 173
  },
  "hsl": {
    "h": 235.111,
    "s": 63.981,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39965,
    "c": 0.19328,
    "h": 270.2
  },
  "luminance": 0.05626
}

Semantic roles & 50–950 ramp

primary

#2631AD

secondary

#C6BE69

accent

#D941E7

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2631AD

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

Preview Lab → · Contrast checker → · Palette generator →