#351CB3#351CB3

#351CB3 is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.9% C 0.215 H 277.1°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX#351CB3
RGBrgb(53, 28, 179)
HSLhsl(250, 73%, 41%)
HSVhsv(250, 84%, 70%)
CMYKcmyk(70.4%, 84.4%, 0%, 29.8%)
CIE-LABlab(26.28, 53.95, -73.89)
CIE-LCHlch(26.28, 91.49, 306.13°)
OKLaboklab(38.89% 0.0265 -0.2135)
OKLCHoklch(38.89% 0.215 277.1)
XYZxyz(10.0175, 4.8411, 43.0456)
Luminance0.0484 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#351CB3 #9AB31C
analogous
#1C4EB3 #351CB3 #801CB3
triadic
#351CB3 #B3351C #1CB335
tetradic
#351CB3 #B31C4E #9AB31C #1CB380
square
#351CB3 #B31C4E #9AB31C #1CB380
split-complementary
#351CB3 #B3801C #4EB31C
monochromatic
#160B49 #25147E #351CB3 #4B2EDE #7963E7

Accessibility & contrast

On white

10.67
#351CB3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.97
#351CB3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #351CB3
10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##351CB3#FFFFFF#000000##FFFFFF
##351CB31.0010.671.9710.67
#FFFFFF10.671.0021.001.00
#0000001.9721.001.0021.00
##FFFFFF10.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0044B7
Deuteranopia (green-blind)
#0038B0
Tritanopia (blue-blind)
#004D6A
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #351cb3;
/* rgb */ color: rgb(53, 28, 179);
/* oklch */ color: oklch(38.9% 0.215 277.1);
Tailwind
colors: {
  custom: {
    50: '#805fcb',
    500: '#351cb3',
    950: '#000000',
  },
}
SCSS
$custom: #351cb3;
$custom-light: #805fcb;
$custom-dark: #000000;
JSON
{
  "hex": "#351cb3",
  "rgb": {
    "r": 53,
    "g": 28,
    "b": 179
  },
  "hsl": {
    "h": 249.934,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38887,
    "c": 0.21511,
    "h": 277.1
  },
  "luminance": 0.04842
}

Semantic roles & 50–950 ramp

primary
#351CB3
secondary
#B9CB5F
accent
#F038D1
background
#F8F5FC
surface
#F0EAF9
border
#CBC6D2
text
#0C0514
muted
#7D7982

Preview Lab

Preview with #351CB3

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

Preview Lab → · Contrast checker → · Palette generator →

#351CB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva