#2E37A8#2E37A8

#2E37A8 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.9% C 0.178 H 272.1°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#2E37A8
RGB	rgb(46, 55, 168)
HSL	hsl(236, 57%, 42%)
HSV	hsv(236, 73%, 66%)
CMYK	cmyk(72.6%, 67.3%, 0%, 34.1%)
CIE-LAB	lab(29.76, 35.27, -61.56)
CIE-LCH	lch(29.76, 70.95, 299.81°)
OKLab	oklab(40.89% 0.0064 -0.178)
OKLCH	oklch(40.89% 0.178 272.1)
XYZ	xyz(9.5584, 6.1394, 37.7195)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.63

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E37A8 #A89F2E

analogous

#2E74A8 #2E37A8 #622EA8

triadic

#2E37A8 #A82E37 #37A82E

tetradic

#2E37A8 #A82E74 #A89F2E #2EA862

square

#2E37A8 #A82E74 #A89F2E #2EA862

split-complementary

#2E37A8 #A8622E #74A82E

monochromatic

#141848 #212778 #2E37A8 #4751CD #777EDA

Accessibility & contrast

On white

9.43

#2E37A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2E37A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E37A8

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E37A8	#FFFFFF	#000000	##FFFFFF
##2E37A8	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAC

Deuteranopia (green-blind)

#0040A6

Tritanopia (blue-blind)

#00556A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2e37a8;
/* rgb */ color: rgb(46, 55, 168);
/* oklch */ color: oklch(40.9% 0.178 272.1);

Tailwind

colors: {
  custom: {
    50: '#796ec3',
    500: '#2e37a8',
    950: '#000000',
  },
}

SCSS

$custom: #2e37a8;
$custom-light: #796ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#2e37a8",
  "rgb": {
    "r": 46,
    "g": 55,
    "b": 168
  },
  "hsl": {
    "h": 235.574,
    "s": 57.009,
    "l": 41.961
  },
  "oklch": {
    "l": 0.40886,
    "c": 0.17809,
    "h": 272.1
  },
  "luminance": 0.0614
}

Semantic roles & 50–950 ramp

primary

#2E37A8

secondary

#C2BC70

accent

#D548E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2E37A8

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

Preview Lab → · Contrast checker → · Palette generator →