#351FB4#351FB4

#351FB4 is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 39.3% C 0.214 H 276.7°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#351FB4
RGB	rgb(53, 31, 180)
HSL	hsl(249, 71%, 41%)
HSV	hsv(249, 83%, 71%)
CMYK	cmyk(70.6%, 82.8%, 0%, 29.4%)
CIE-LAB	lab(26.82, 52.97, -73.59)
CIE-LCH	lch(26.82, 90.67, 305.75°)
OKLab	oklab(39.3% 0.0251 -0.2126)
OKLCH	oklch(39.3% 0.214 276.7)
XYZ	xyz(10.1937, 5.0312, 43.6051)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#351FB4 #9EB41F

analogous

#1F54B4 #351FB4 #801FB4

triadic

#351FB4 #B4351F #1FB435

tetradic

#351FB4 #B41F54 #9EB41F #1FB480

square

#351FB4 #B41F54 #9EB41F #1FB480

split-complementary

#351FB4 #B4801F #54B41F

monochromatic

#160D4C #261680 #351FB4 #4D34DC #7B68E5

Accessibility & contrast

On white

10.47

#351FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#351FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #351FB4

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##351FB4	#FFFFFF	#000000	##FFFFFF
##351FB4	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B8

Deuteranopia (green-blind)

#0039B1

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #351fb4;
/* rgb */ color: rgb(53, 31, 180);
/* oklch */ color: oklch(39.3% 0.214 276.7);

Tailwind

colors: {
  custom: {
    50: '#8060cc',
    500: '#351fb4',
    950: '#000000',
  },
}

SCSS

$custom: #351fb4;
$custom-light: #8060cc;
$custom-dark: #000000;

JSON

{
  "hex": "#351fb4",
  "rgb": {
    "r": 53,
    "g": 31,
    "b": 180
  },
  "hsl": {
    "h": 248.859,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39296,
    "c": 0.21411,
    "h": 276.7
  },
  "luminance": 0.05032
}

Semantic roles & 50–950 ramp

primary

#351FB4

secondary

#BBCB64

accent

#ED3AD3

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #351FB4

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

Preview Lab → · Contrast checker → · Palette generator →