#2E37A9#2E37A9

#2E37A9 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.0% C 0.179 H 272.0°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#2E37A9
RGB	rgb(46, 55, 169)
HSL	hsl(236, 57%, 42%)
HSV	hsv(236, 73%, 66%)
CMYK	cmyk(72.8%, 67.5%, 0%, 33.7%)
CIE-LAB	lab(29.85, 35.62, -62.01)
CIE-LCH	lch(29.85, 71.52, 299.88°)
OKLab	oklab(40.98% 0.0063 -0.1793)
OKLCH	oklch(40.98% 0.179 272)
XYZ	xyz(9.6519, 6.1768, 38.2120)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E37A9 #A9A02E

analogous

#2E74A9 #2E37A9 #632EA9

triadic

#2E37A9 #A92E37 #37A92E

tetradic

#2E37A9 #A92E74 #A9A02E #2EA963

square

#2E37A9 #A92E74 #A9A02E #2EA963

split-complementary

#2E37A9 #A9632E #74A92E

monochromatic

#141849 #212779 #2E37A9 #4751CD #777FDA

Accessibility & contrast

On white

9.39

#2E37A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2E37A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E37A9

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E37A9	#FFFFFF	#000000	##FFFFFF
##2E37A9	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAD

Deuteranopia (green-blind)

#0041A7

Tritanopia (blue-blind)

#00566B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2e37a9;
/* rgb */ color: rgb(46, 55, 169);
/* oklch */ color: oklch(41.0% 0.179 272.0);

Tailwind

colors: {
  custom: {
    50: '#796ec4',
    500: '#2e37a9',
    950: '#000000',
  },
}

SCSS

$custom: #2e37a9;
$custom-light: #796ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#2e37a9",
  "rgb": {
    "r": 46,
    "g": 55,
    "b": 169
  },
  "hsl": {
    "h": 235.61,
    "s": 57.209,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40982,
    "c": 0.17939,
    "h": 272
  },
  "luminance": 0.06178
}

Semantic roles & 50–950 ramp

primary

#2E37A9

secondary

#C2BC71

accent

#D547E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2E37A9

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

Preview Lab → · Contrast checker → · Palette generator →