#2E37B4#2E37B4

#2E37B4 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.1% C 0.194 H 271.5°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#2E37B4
RGB	rgb(46, 55, 180)
HSL	hsl(236, 59%, 44%)
HSV	hsv(236, 74%, 71%)
CMYK	cmyk(74.4%, 69.4%, 0%, 29.4%)
CIE-LAB	lab(30.90, 39.50, -66.88)
CIE-LCH	lch(30.90, 77.67, 300.57°)
OKLab	oklab(42.05% 0.0052 -0.1935)
OKLCH	oklch(42.05% 0.194 271.5)
XYZ	xyz(10.7283, 6.6074, 43.8811)
Luminance	0.0661 (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

#2E37B4 #B4AB2E

analogous

#2E7AB4 #2E37B4 #682EB4

triadic

#2E37B4 #B42E37 #37B42E

tetradic

#2E37B4 #B42E7A #B4AB2E #2EB468

square

#2E37B4 #B42E7A #B4AB2E #2EB468

split-complementary

#2E37B4 #B4682E #7AB42E

monochromatic

#151953 #222883 #2E37B4 #4E56D2 #7E85DE

Accessibility & contrast

On white

9.04

#2E37B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2E37B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E37B4

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E37B4	#FFFFFF	#000000	##FFFFFF
##2E37B4	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB8

Deuteranopia (green-blind)

#0042B2

Tritanopia (blue-blind)

#005971

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2e37b4;
/* rgb */ color: rgb(46, 55, 180);
/* oklch */ color: oklch(42.1% 0.194 271.5);

Tailwind

colors: {
  custom: {
    50: '#7c6ecc',
    500: '#2e37b4',
    950: '#000000',
  },
}

SCSS

$custom: #2e37b4;
$custom-light: #7c6ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#2e37b4",
  "rgb": {
    "r": 46,
    "g": 55,
    "b": 180
  },
  "hsl": {
    "h": 235.97,
    "s": 59.292,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42053,
    "c": 0.19356,
    "h": 271.5
  },
  "luminance": 0.06609
}

Semantic roles & 50–950 ramp

primary

#2E37B4

secondary

#C7C177

accent

#D845E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2E37B4

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

Preview Lab → · Contrast checker → · Palette generator →