#2637A4#2637A4

#2637A4 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.1% C 0.175 H 269.5°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#2637A4
RGB	rgb(38, 55, 164)
HSL	hsl(232, 62%, 40%)
HSV	hsv(232, 77%, 64%)
CMYK	cmyk(76.8%, 66.5%, 0%, 35.7%)
CIE-LAB	lab(28.96, 32.94, -60.48)
CIE-LCH	lch(28.96, 68.87, 298.57°)
OKLab	oklab(40.08% -0.0016 -0.175)
OKLCH	oklch(40.08% 0.175 269.5)
XYZ	xyz(8.8641, 5.8238, 35.7717)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2637A4 #A49326

analogous

#2676A4 #2637A4 #5426A4

triadic

#2637A4 #A42637 #37A426

tetradic

#2637A4 #A42676 #A49326 #26A454

square

#2637A4 #A42676 #A49326 #26A454

split-complementary

#2637A4 #A45426 #76A426

monochromatic

#0F1641 #1A2672 #2637A4 #374BD1 #6878DC

Accessibility & contrast

On white

9.70

#2637A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2637A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2637A4

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2637A4	#FFFFFF	#000000	##FFFFFF
##2637A4	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA7

Deuteranopia (green-blind)

#003EA2

Tritanopia (blue-blind)

#005468

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2637a4;
/* rgb */ color: rgb(38, 55, 164);
/* oklch */ color: oklch(40.1% 0.175 269.5);

Tailwind

colors: {
  custom: {
    50: '#756ec0',
    500: '#2637a4',
    950: '#000000',
  },
}

SCSS

$custom: #2637a4;
$custom-light: #756ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#2637a4",
  "rgb": {
    "r": 38,
    "g": 55,
    "b": 164
  },
  "hsl": {
    "h": 231.905,
    "s": 62.376,
    "l": 39.608
  },
  "oklch": {
    "l": 0.40075,
    "c": 0.17499,
    "h": 269.5
  },
  "luminance": 0.05825
}

Semantic roles & 50–950 ramp

primary

#2637A4

secondary

#C2B564

accent

#CF42E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2637A4

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

Preview Lab → · Contrast checker → · Palette generator →