#3959CA#3959CA

#3959CA is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.7% C 0.179 H 267.6°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#3959CA
RGB	rgb(57, 89, 202)
HSL	hsl(227, 58%, 51%)
HSV	hsv(227, 72%, 79%)
CMYK	cmyk(71.8%, 55.9%, 0%, 20.8%)
CIE-LAB	lab(41.65, 27.09, -62.16)
CIE-LCH	lch(41.65, 67.81, 293.55°)
OKLab	oklab(50.71% -0.0076 -0.1791)
OKLCH	oklch(50.71% 0.179 267.6)
XYZ	xyz(15.9167, 12.2772, 57.3966)
Luminance	0.1228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3959CA #CAAA39

analogous

#39A1CA #3959CA #6139CA

triadic

#3959CA #CA3959 #59CA39

tetradic

#3959CA #CA39A1 #CAAA39 #39CA61

square

#3959CA #CA39A1 #CAAA39 #39CA61

split-complementary

#3959CA #CA6139 #A1CA39

monochromatic

#1D2E6C #2A439C #3959CA #6981D7 #9AAAE4

Accessibility & contrast

On white

6.08

#3959CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#3959CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3959CA

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3959CA	#FFFFFF	#000000	##FFFFFF
##3959CA	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CE

Deuteranopia (green-blind)

#005CC8

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3959ca;
/* rgb */ color: rgb(57, 89, 202);
/* oklch */ color: oklch(50.7% 0.179 267.6);

Tailwind

colors: {
  custom: {
    50: '#8287db',
    500: '#3959ca',
    950: '#000000',
  },
}

SCSS

$custom: #3959ca;
$custom-light: #8287db;
$custom-dark: #000000;

JSON

{
  "hex": "#3959ca",
  "rgb": {
    "r": 57,
    "g": 89,
    "b": 202
  },
  "hsl": {
    "h": 226.759,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.50713,
    "c": 0.17929,
    "h": 267.6
  },
  "luminance": 0.12279
}

Semantic roles & 50–950 ramp

primary

#3959CA

secondary

#D0C18F

accent

#BF47E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3959CA

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

Preview Lab → · Contrast checker → · Palette generator →