#3857CE#3857CE

#3857CE is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.6% C 0.187 H 267.9°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#3857CE
RGB	rgb(56, 87, 206)
HSL	hsl(228, 60%, 51%)
HSV	hsv(228, 73%, 81%)
CMYK	cmyk(72.8%, 57.8%, 0%, 19.2%)
CIE-LAB	lab(41.39, 29.70, -64.89)
CIE-LCH	lch(41.39, 71.37, 294.59°)
OKLab	oklab(50.6% -0.0069 -0.1872)
OKLCH	oklch(50.6% 0.187 267.9)
XYZ	xyz(16.1758, 12.1117, 59.8658)
Luminance	0.1211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3857CE #CEAF38

analogous

#38A2CE #3857CE #6438CE

triadic

#3857CE #CE3857 #57CE38

tetradic

#3857CE #CE38A2 #CEAF38 #38CE64

square

#3857CE #CE38A2 #CEAF38 #38CE64

split-complementary

#3857CE #CE6438 #A2CE38

monochromatic

#1C2D70 #2841A1 #3857CE #6980DA #9AAAE6

Accessibility & contrast

On white

6.14

#3857CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#3857CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3857CE

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3857CE	#FFFFFF	#000000	##FFFFFF
##3857CE	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D2

Deuteranopia (green-blind)

#005BCC

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3857ce;
/* rgb */ color: rgb(56, 87, 206);
/* oklch */ color: oklch(50.6% 0.187 267.9);

Tailwind

colors: {
  custom: {
    50: '#8386de',
    500: '#3857ce',
    950: '#000000',
  },
}

SCSS

$custom: #3857ce;
$custom-light: #8386de;
$custom-dark: #000000;

JSON

{
  "hex": "#3857ce",
  "rgb": {
    "r": 56,
    "g": 87,
    "b": 206
  },
  "hsl": {
    "h": 227.6,
    "s": 60.484,
    "l": 51.373
  },
  "oklch": {
    "l": 0.506,
    "c": 0.18734,
    "h": 267.9
  },
  "luminance": 0.12113
}

Semantic roles & 50–950 ramp

primary

#3857CE

secondary

#D2C490

accent

#C344E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3857CE

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

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