#2B33C0#2B33C0

#2B33C0 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.5% C 0.213 H 270.6°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX#2B33C0
RGBrgb(43, 51, 192)
HSLhsl(237, 63%, 46%)
HSVhsv(237, 78%, 75%)
CMYKcmyk(77.6%, 73.4%, 0%, 24.7%)
CIE-LABlab(31.08, 45.73, -73.67)
CIE-LCHlch(31.08, 86.71, 301.83°)
OKLaboklab(42.5% 0.0023 -0.2133)
OKLCHoklch(42.5% 0.213 270.6)
XYZxyz(11.6913, 6.6857, 50.5333)
Luminance0.0669 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B33C0 #C0B82B
analogous
#2B7DC0 #2B33C0 #6E2BC0
triadic
#2B33C0 #C02B33 #33C02B
tetradic
#2B33C0 #C02B7D #C0B82B #2BC06E
square
#2B33C0 #C02B7D #C0B82B #2BC06E
split-complementary
#2B33C0 #C06E2B #7DC02B
monochromatic
#15185C #20268E #2B33C0 #5058D8 #8288E3

Accessibility & contrast

On white

8.98
#2B33C0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.34
#2B33C0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B33C0
8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B33C0#FFFFFF#000000##FFFFFF
##2B33C01.008.982.348.98
#FFFFFF8.981.0021.001.00
#0000002.3421.001.0021.00
##FFFFFF8.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0050C4
Deuteranopia (green-blind)
#0042BD
Tritanopia (blue-blind)
#005C77
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #2b33c0;
/* rgb */ color: rgb(43, 51, 192);
/* oklch */ color: oklch(42.5% 0.213 270.6);
Tailwind
colors: {
  custom: {
    50: '#7e6cd4',
    500: '#2b33c0',
    950: '#000000',
  },
}
SCSS
$custom: #2b33c0;
$custom-light: #7e6cd4;
$custom-dark: #000000;
JSON
{
  "hex": "#2b33c0",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 192
  },
  "hsl": {
    "h": 236.779,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42503,
    "c": 0.21336,
    "h": 270.6
  },
  "luminance": 0.06687
}

Semantic roles & 50–950 ramp

primary
#2B33C0
secondary
#CCC87B
accent
#DE41E6
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #2B33C0

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

Preview Lab → · Contrast checker → · Palette generator →

#2B33C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva