#3959FF#3959FF

#3959FF is a mid, highly saturated blue. Relative luminance 0.152; OKLCH L 55.2% C 0.247 H 268.1°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#3959FF
RGB	rgb(57, 89, 255)
HSL	hsl(230, 100%, 61%)
HSV	hsv(230, 78%, 100%)
CMYK	cmyk(77.6%, 65.1%, 0%, 0%)
CIE-LAB	lab(45.95, 45.92, -85.17)
CIE-LCH	lch(45.95, 96.76, 298.33°)
OKLab	oklab(55.22% -0.0081 -0.2466)
OKLCH	oklch(55.22% 0.247 268.1)
XYZ	xyz(23.3035, 15.2319, 96.3002)
Luminance	0.1524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3959FF #FFDF39

analogous

#39BCFF #3959FF #7C39FF

triadic

#3959FF #FF3959 #59FF39

tetradic

#3959FF #FF39BC #FFDF39 #39FF7C

square

#3959FF #FF39BC #FFDF39 #39FF7C

split-complementary

#3959FF #FF7C39 #BCFF39

monochromatic

#001FBE #0029FB #3959FF #768CFF #B3C0FF

Accessibility & contrast

On white

5.19

#3959FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#3959FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3959FF

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3959FF	#FFFFFF	#000000	##FFFFFF
##3959FF	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076FF

Deuteranopia (green-blind)

#0063FC

Tritanopia (blue-blind)

#0086A4

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3959ff;
/* rgb */ color: rgb(57, 89, 255);
/* oklch */ color: oklch(55.2% 0.247 268.1);

Tailwind

colors: {
  custom: {
    50: '#8e88ff',
    500: '#3959ff',
    950: '#000000',
  },
}

SCSS

$custom: #3959ff;
$custom-light: #8e88ff;
$custom-dark: #000000;

JSON

{
  "hex": "#3959ff",
  "rgb": {
    "r": 57,
    "g": 89,
    "b": 255
  },
  "hsl": {
    "h": 230.303,
    "s": 100,
    "l": 61.176
  },
  "oklch": {
    "l": 0.55224,
    "c": 0.24671,
    "h": 268.1
  },
  "luminance": 0.15235
}

Semantic roles & 50–950 ramp

primary

#3959FF

secondary

#EFE3A5

accent

#C000E6

background

#F9F8FF

surface

#F2EFFF

border

#CCCAD7

text

#0F0B18

muted

#7E7C86

Preview Lab

Preview with #3959FF

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

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