#2C33B7#2C33B7

#2C33B7 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.6% C 0.202 H 271.3°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX#2C33B7
RGBrgb(44, 51, 183)
HSLhsl(237, 61%, 45%)
HSVhsv(237, 76%, 72%)
CMYKcmyk(76%, 72.1%, 0%, 28.2%)
CIE-LABlab(30.21, 42.76, -69.79)
CIE-LCHlch(30.21, 81.85, 301.49°)
OKLaboklab(41.62% 0.0047 -0.202)
OKLCHoklch(41.62% 0.202 271.3)
XYZxyz(10.7669, 6.3209, 45.4432)
Luminance0.0632 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2C33B7 #B7B02C
analogous
#2C79B7 #2C33B7 #6A2CB7
triadic
#2C33B7 #B72C33 #33B72C
tetradic
#2C33B7 #B72C79 #B7B02C #2CB76A
square
#2C33B7 #B72C79 #B7B02C #2CB76A
split-complementary
#2C33B7 #B76A2C #79B72C
monochromatic
#141854 #202586 #2C33B7 #4C53D4 #7E82E0

Accessibility & contrast

On white

9.27
#2C33B7 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.26
#2C33B7 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C33B7
9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2C33B7#FFFFFF#000000##FFFFFF
##2C33B71.009.272.269.27
#FFFFFF9.271.0021.001.00
#0000002.2621.001.0021.00
##FFFFFF9.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004EBB
Deuteranopia (green-blind)
#0040B5
Tritanopia (blue-blind)
#005872
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #2c33b7;
/* rgb */ color: rgb(44, 51, 183);
/* oklch */ color: oklch(41.6% 0.202 271.3);
Tailwind
colors: {
  custom: {
    50: '#7c6cce',
    500: '#2c33b7',
    950: '#000000',
  },
}
SCSS
$custom: #2c33b7;
$custom-light: #7c6cce;
$custom-dark: #000000;
JSON
{
  "hex": "#2c33b7",
  "rgb": {
    "r": 44,
    "g": 51,
    "b": 183
  },
  "hsl": {
    "h": 236.978,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41618,
    "c": 0.20209,
    "h": 271.3
  },
  "luminance": 0.06322
}

Semantic roles & 50–950 ramp

primary
#2C33B7
secondary
#C8C476
accent
#DC43E4
background
#F8F6FC
surface
#EFEBF9
border
#CAC6D2
text
#0B0714
muted
#7C7A82

Preview Lab

Preview with #2C33B7

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

Preview Lab → · Contrast checker → · Palette generator →

#2C33B7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva