#2B37C0#2B37C0

#2B37C0 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.1% C 0.209 H 270.2°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#2B37C0
RGB	rgb(43, 55, 192)
HSL	hsl(235, 63%, 46%)
HSV	hsv(235, 78%, 75%)
CMYK	cmyk(77.6%, 71.4%, 0%, 24.7%)
CIE-LAB	lab(31.92, 43.39, -72.29)
CIE-LCH	lch(31.92, 84.31, 300.98°)
OKLab	oklab(43.11% 0.0006 -0.2093)
OKLCH	oklch(43.11% 0.209 270.2)
XYZ	xyz(11.8736, 7.0504, 50.5940)
Luminance	0.0705 (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

#2B37C0 #C0B42B

analogous

#2B81C0 #2B37C0 #692BC0

triadic

#2B37C0 #C02B37 #37C02B

tetradic

#2B37C0 #C02B81 #C0B42B #2BC069

square

#2B37C0 #C02B81 #C0B42B #2BC069

split-complementary

#2B37C0 #C0692B #81C02B

monochromatic

#151A5C #20298E #2B37C0 #505BD8 #828AE3

Accessibility & contrast

On white

8.71

#2B37C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2B37C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B37C0

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B37C0	#FFFFFF	#000000	##FFFFFF
##2B37C0	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C4

Deuteranopia (green-blind)

#0044BE

Tritanopia (blue-blind)

#005E78

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2b37c0;
/* rgb */ color: rgb(43, 55, 192);
/* oklch */ color: oklch(43.1% 0.209 270.2);

Tailwind

colors: {
  custom: {
    50: '#7e6fd4',
    500: '#2b37c0',
    950: '#000000',
  },
}

SCSS

$custom: #2b37c0;
$custom-light: #7e6fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b37c0",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 192
  },
  "hsl": {
    "h": 235.168,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43105,
    "c": 0.20933,
    "h": 270.2
  },
  "luminance": 0.07052
}

Semantic roles & 50–950 ramp

primary

#2B37C0

secondary

#CCC67B

accent

#D941E6

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #2B37C0

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

Preview Lab → · Contrast checker → · Palette generator →