#351CB4#351CB4

#351CB4 is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 39.0% C 0.216 H 276.9°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#351CB4
RGB	rgb(53, 28, 180)
HSL	hsl(250, 73%, 41%)
HSV	hsv(250, 84%, 71%)
CMYK	cmyk(70.6%, 84.4%, 0%, 29.4%)
CIE-LAB	lab(26.39, 54.24, -74.30)
CIE-LCH	lch(26.39, 91.99, 306.13°)
OKLab	oklab(39% 0.0261 -0.2146)
OKLCH	oklch(39% 0.216 276.9)
XYZ	xyz(10.1190, 4.8817, 43.5802)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#351CB4 #9BB41C

analogous

#1C4FB4 #351CB4 #811CB4

triadic

#351CB4 #B4351C #1CB435

tetradic

#351CB4 #B41C4F #9BB41C #1CB481

square

#351CB4 #B41C4F #9BB41C #1CB481

split-complementary

#351CB4 #B4811C #4FB41C

monochromatic

#160C4A #25147F #351CB4 #4C2FDF #7964E7

Accessibility & contrast

On white

10.62

#351CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#351CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #351CB4

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##351CB4	#FFFFFF	#000000	##FFFFFF
##351CB4	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B8

Deuteranopia (green-blind)

#0038B1

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #351cb4;
/* rgb */ color: rgb(53, 28, 180);
/* oklch */ color: oklch(39.0% 0.216 276.9);

Tailwind

colors: {
  custom: {
    50: '#815fcc',
    500: '#351cb4',
    950: '#000000',
  },
}

SCSS

$custom: #351cb4;
$custom-light: #815fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#351cb4",
  "rgb": {
    "r": 53,
    "g": 28,
    "b": 180
  },
  "hsl": {
    "h": 249.868,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39002,
    "c": 0.21624,
    "h": 276.9
  },
  "luminance": 0.04883
}

Semantic roles & 50–950 ramp

primary

#351CB4

secondary

#BACC60

accent

#F038D2

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #351CB4

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

Preview Lab → · Contrast checker → · Palette generator →