#3959C4#3959C4

#3959C4 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.2% C 0.171 H 267.3°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#3959C4
RGB	rgb(57, 89, 196)
HSL	hsl(226, 55%, 50%)
HSV	hsv(226, 71%, 77%)
CMYK	cmyk(70.9%, 54.6%, 0%, 23.1%)
CIE-LAB	lab(41.21, 24.91, -59.40)
CIE-LCH	lch(41.21, 64.41, 292.75°)
OKLab	oklab(50.24% -0.008 -0.171)
OKLCH	oklch(50.24% 0.171 267.3)
XYZ	xyz(15.2201, 11.9986, 53.7277)
Luminance	0.1200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3959C4 #C4A439

analogous

#399FC4 #3959C4 #5F39C4

triadic

#3959C4 #C43959 #59C439

tetradic

#3959C4 #C4399F #C4A439 #39C45F

square

#3959C4 #C4399F #C4A439 #39C45F

split-complementary

#3959C4 #C45F39 #9FC439

monochromatic

#1D2E65 #2B4395 #3959C4 #6780D3 #97A8E1

Accessibility & contrast

On white

6.18

#3959C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#3959C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3959C4

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3959C4	#FFFFFF	#000000	##FFFFFF
##3959C4	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068C8

Deuteranopia (green-blind)

#005BC2

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3959c4;
/* rgb */ color: rgb(57, 89, 196);
/* oklch */ color: oklch(50.2% 0.171 267.3);

Tailwind

colors: {
  custom: {
    50: '#8187d7',
    500: '#3959c4',
    950: '#000000',
  },
}

SCSS

$custom: #3959c4;
$custom-light: #8187d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3959c4",
  "rgb": {
    "r": 57,
    "g": 89,
    "b": 196
  },
  "hsl": {
    "h": 226.187,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50244,
    "c": 0.1712,
    "h": 267.3
  },
  "luminance": 0.12
}

Semantic roles & 50–950 ramp

primary

#3959C4

secondary

#CCBE8D

accent

#BC4ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3959C4

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

Preview Lab → · Contrast checker → · Palette generator →