#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
RGB	rgb(53, 28, 179)
HSL	hsl(250, 73%, 41%)
HSV	hsv(250, 84%, 70%)
CMYK	cmyk(70.4%, 84.4%, 0%, 29.8%)
CIE-LAB	lab(26.28, 53.95, -73.89)
CIE-LCH	lch(26.28, 91.49, 306.13°)
OKLab	oklab(38.89% 0.0265 -0.2135)
OKLCH	oklch(38.89% 0.215 277.1)
XYZ	xyz(10.0175, 4.8411, 43.0456)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

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
##351CB3	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

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 →