#3959C8#3959C8

#3959C8 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.6% C 0.177 H 267.5°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#3959C8
RGB	rgb(57, 89, 200)
HSL	hsl(227, 57%, 50%)
HSV	hsv(227, 72%, 78%)
CMYK	cmyk(71.5%, 55.5%, 0%, 21.6%)
CIE-LAB	lab(41.51, 26.36, -61.24)
CIE-LCH	lch(41.51, 66.68, 293.29°)
OKLab	oklab(50.56% -0.0078 -0.1764)
OKLCH	oklch(50.56% 0.177 267.5)
XYZ	xyz(15.6814, 12.1831, 56.1575)
Luminance	0.1218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3959C8 #C8A839

analogous

#39A1C8 #3959C8 #6039C8

triadic

#3959C8 #C83959 #59C839

tetradic

#3959C8 #C839A1 #C8A839 #39C860

square

#3959C8 #C839A1 #C8A839 #39C860

split-complementary

#3959C8 #C86039 #A1C839

monochromatic

#1D2E69 #2B4399 #3959C8 #6981D5 #99A9E3

Accessibility & contrast

On white

6.11

#3959C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#3959C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3959C8

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3959C8	#FFFFFF	#000000	##FFFFFF
##3959C8	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CC

Deuteranopia (green-blind)

#005CC6

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3959c8;
/* rgb */ color: rgb(57, 89, 200);
/* oklch */ color: oklch(50.6% 0.177 267.5);

Tailwind

colors: {
  custom: {
    50: '#8287d9',
    500: '#3959c8',
    950: '#000000',
  },
}

SCSS

$custom: #3959c8;
$custom-light: #8287d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3959c8",
  "rgb": {
    "r": 57,
    "g": 89,
    "b": 200
  },
  "hsl": {
    "h": 226.573,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50555,
    "c": 0.1766,
    "h": 267.5
  },
  "luminance": 0.12185
}

Semantic roles & 50–950 ramp

primary

#3959C8

secondary

#CEC08F

accent

#BE48E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3959C8

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

Preview Lab → · Contrast checker → · Palette generator →