#2E37C9#2E37C9

#2E37C9 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.2% C 0.220 H 270.6°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#2E37C9
RGB	rgb(46, 55, 201)
HSL	hsl(237, 63%, 48%)
HSV	hsv(237, 77%, 79%)
CMYK	cmyk(77.1%, 72.6%, 0%, 21.2%)
CIE-LAB	lab(32.98, 46.70, -75.80)
CIE-LCH	lch(32.98, 89.03, 301.64°)
OKLab	oklab(44.18% 0.0024 -0.2195)
OKLCH	oklch(44.18% 0.22 270.6)
XYZ	xyz(13.0319, 7.5288, 56.0134)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.36

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E37C9 #C9C02E

analogous

#2E84C9 #2E37C9 #722EC9

triadic

#2E37C9 #C92E37 #37C92E

tetradic

#2E37C9 #C92E84 #C9C02E #2EC972

square

#2E37C9 #C92E84 #C9C02E #2EC972

split-complementary

#2E37C9 #C9722E #84C92E

monochromatic

#171C65 #232997 #2E37C9 #5B62D9 #8D92E5

Accessibility & contrast

On white

8.38

#2E37C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2E37C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E37C9

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E37C9	#FFFFFF	#000000	##FFFFFF
##2E37C9	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CD

Deuteranopia (green-blind)

#0046C6

Tritanopia (blue-blind)

#00617D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2e37c9;
/* rgb */ color: rgb(46, 55, 201);
/* oklch */ color: oklch(44.2% 0.220 270.6);

Tailwind

colors: {
  custom: {
    50: '#816fdb',
    500: '#2e37c9',
    950: '#000000',
  },
}

SCSS

$custom: #2e37c9;
$custom-light: #816fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#2e37c9",
  "rgb": {
    "r": 46,
    "g": 55,
    "b": 201
  },
  "hsl": {
    "h": 236.516,
    "s": 62.753,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44177,
    "c": 0.21951,
    "h": 270.6
  },
  "luminance": 0.0753
}

Semantic roles & 50–950 ramp

primary

#2E37C9

secondary

#CFCB84

accent

#DC42E6

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2E37C9

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

Preview Lab → · Contrast checker → · Palette generator →