#351FA4#351FA4

#351FA4 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.5% C 0.196 H 278.8°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#351FA4
RGB	rgb(53, 31, 164)
HSL	hsl(250, 68%, 38%)
HSV	hsv(250, 81%, 64%)
CMYK	cmyk(67.7%, 81.1%, 0%, 35.7%)
CIE-LAB	lab(25.00, 48.23, -66.97)
CIE-LCH	lch(25.00, 82.53, 305.76°)
OKLab	oklab(37.51% 0.0299 -0.1934)
OKLCH	oklch(37.51% 0.196 278.8)
XYZ	xyz(8.6569, 4.4165, 35.5110)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#351FA4 #8EA41F

analogous

#1F4BA4 #351FA4 #771FA4

triadic

#351FA4 #A4351F #1FA435

tetradic

#351FA4 #A41F4B #8EA41F #1FA477

square

#351FA4 #A41F4B #8EA41F #1FA477

split-complementary

#351FA4 #A4771F #4BA41F

monochromatic

#140C3D #241571 #351FA4 #462AD7 #735DE0

Accessibility & contrast

On white

11.15

#351FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#351FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #351FA4

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##351FA4	#FFFFFF	#000000	##FFFFFF
##351FA4	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A8

Deuteranopia (green-blind)

#0036A2

Tritanopia (blue-blind)

#004862

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #351fa4;
/* rgb */ color: rgb(53, 31, 164);
/* oklch */ color: oklch(37.5% 0.196 278.8);

Tailwind

colors: {
  custom: {
    50: '#7d5fc0',
    500: '#351fa4',
    950: '#000000',
  },
}

SCSS

$custom: #351fa4;
$custom-light: #7d5fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#351fa4",
  "rgb": {
    "r": 53,
    "g": 31,
    "b": 164
  },
  "hsl": {
    "h": 249.925,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37507,
    "c": 0.19572,
    "h": 278.8
  },
  "luminance": 0.04417
}

Semantic roles & 50–950 ramp

primary

#351FA4

secondary

#B3C55A

accent

#EB3DCE

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #351FA4

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

Preview Lab → · Contrast checker → · Palette generator →