#2B37C4#2B37C4

#2B37C4 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.5% C 0.214 H 270.0°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#2B37C4
RGB	rgb(43, 55, 196)
HSL	hsl(235, 64%, 47%)
HSV	hsv(235, 78%, 77%)
CMYK	cmyk(78.1%, 71.9%, 0%, 23.1%)
CIE-LAB	lab(32.33, 44.76, -73.97)
CIE-LCH	lch(32.33, 86.46, 301.18°)
OKLab	oklab(43.52% 0.0001 -0.2142)
OKLCH	oklch(43.52% 0.214 270)
XYZ	xyz(12.3228, 7.2301, 52.9599)
Luminance	0.0723 (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

#2B37C4 #C4B82B

analogous

#2B84C4 #2B37C4 #6C2BC4

triadic

#2B37C4 #C42B37 #37C42B

tetradic

#2B37C4 #C42B84 #C4B82B #2BC46C

square

#2B37C4 #C42B84 #C4B82B #2BC46C

split-complementary

#2B37C4 #C46C2B #84C42B

monochromatic

#151B60 #202992 #2B37C4 #535DD9 #858DE4

Accessibility & contrast

On white

8.58

#2B37C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2B37C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B37C4

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B37C4	#FFFFFF	#000000	##FFFFFF
##2B37C4	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C8

Deuteranopia (green-blind)

#0044C1

Tritanopia (blue-blind)

#005F7A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b37c4;
/* rgb */ color: rgb(43, 55, 196);
/* oklch */ color: oklch(43.5% 0.214 270.0);

Tailwind

colors: {
  custom: {
    50: '#7e6fd7',
    500: '#2b37c4',
    950: '#000000',
  },
}

SCSS

$custom: #2b37c4;
$custom-light: #7e6fd7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b37c4",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 196
  },
  "hsl": {
    "h": 235.294,
    "s": 64.017,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43515,
    "c": 0.21422,
    "h": 270
  },
  "luminance": 0.07231
}

Semantic roles & 50–950 ramp

primary

#2B37C4

secondary

#CEC77D

accent

#DA41E7

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2B37C4

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

Preview Lab → · Contrast checker → · Palette generator →