#3957DE#3957DE

#3957DE is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.0% C 0.208 H 268.4°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3957DE
RGB	rgb(57, 87, 222)
HSL	hsl(229, 71%, 55%)
HSV	hsv(229, 74%, 87%)
CMYK	cmyk(74.3%, 60.8%, 0%, 12.9%)
CIE-LAB	lab(42.70, 35.57, -71.92)
CIE-LCH	lch(42.70, 80.24, 296.32°)
OKLab	oklab(51.98% -0.0059 -0.2078)
OKLCH	oklch(51.98% 0.208 268.4)
XYZ	xyz(18.2758, 12.9582, 70.6311)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3957DE #DEC039

analogous

#39AADE #3957DE #6E39DE

triadic

#3957DE #DE3957 #57DE39

tetradic

#3957DE #DE39AA #DEC039 #39DE6E

square

#3957DE #DE39AA #DEC039 #39DE6E

split-complementary

#3957DE #DE6E39 #AADE39

monochromatic

#162B86 #1F3BBB #3957DE #6D84E7 #A2B0EF

Accessibility & contrast

On white

5.85

#3957DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#3957DE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3957DE

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3957DE	#FFFFFF	#000000	##FFFFFF
##3957DE	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE2

Deuteranopia (green-blind)

#005DDB

Tritanopia (blue-blind)

#007A92

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3957de;
/* rgb */ color: rgb(57, 87, 222);
/* oklch */ color: oklch(52.0% 0.208 268.4);

Tailwind

colors: {
  custom: {
    50: '#8786e9',
    500: '#3957de',
    950: '#000000',
  },
}

SCSS

$custom: #3957de;
$custom-light: #8786e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3957de",
  "rgb": {
    "r": 57,
    "g": 87,
    "b": 222
  },
  "hsl": {
    "h": 229.091,
    "s": 71.429,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51978,
    "c": 0.20791,
    "h": 268.4
  },
  "luminance": 0.1296
}

Semantic roles & 50–950 ramp

primary

#3957DE

secondary

#DCD097

accent

#CD3AEE

background

#F9F8FE

surface

#F1EFFD

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3957DE

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

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