#2E37B1#2E37B1

#2E37B1 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.8% C 0.190 H 271.7°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#2E37B1
RGB	rgb(46, 55, 177)
HSL	hsl(236, 59%, 44%)
HSV	hsv(236, 74%, 69%)
CMYK	cmyk(74%, 68.9%, 0%, 30.6%)
CIE-LAB	lab(30.61, 38.45, -65.56)
CIE-LCH	lch(30.61, 76.01, 300.39°)
OKLab	oklab(41.76% 0.0055 -0.1897)
OKLCH	oklch(41.76% 0.19 271.7)
XYZ	xyz(10.4260, 6.4865, 42.2890)
Luminance	0.0649 (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

#2E37B1 #B1A82E

analogous

#2E78B1 #2E37B1 #662EB1

triadic

#2E37B1 #B12E37 #37B12E

tetradic

#2E37B1 #B12E78 #B1A82E #2EB166

square

#2E37B1 #B12E78 #B1A82E #2EB166

split-complementary

#2E37B1 #B1662E #78B12E

monochromatic

#151950 #212880 #2E37B1 #4C55D0 #7C83DD

Accessibility & contrast

On white

9.14

#2E37B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2E37B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E37B1

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E37B1	#FFFFFF	#000000	##FFFFFF
##2E37B1	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB5

Deuteranopia (green-blind)

#0042AF

Tritanopia (blue-blind)

#00586F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2e37b1;
/* rgb */ color: rgb(46, 55, 177);
/* oklch */ color: oklch(41.8% 0.190 271.7);

Tailwind

colors: {
  custom: {
    50: '#7b6ec9',
    500: '#2e37b1',
    950: '#000000',
  },
}

SCSS

$custom: #2e37b1;
$custom-light: #7b6ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#2e37b1",
  "rgb": {
    "r": 46,
    "g": 55,
    "b": 177
  },
  "hsl": {
    "h": 235.878,
    "s": 58.744,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41758,
    "c": 0.18974,
    "h": 271.7
  },
  "luminance": 0.06488
}

Semantic roles & 50–950 ramp

primary

#2E37B1

secondary

#C6C075

accent

#D746E2

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2E37B1

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

Preview Lab → · Contrast checker → · Palette generator →