#4857CB#4857CB

#4857CB is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.2% C 0.179 H 272.8°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#4857CB
RGB	rgb(72, 87, 203)
HSL	hsl(233, 56%, 54%)
HSV	hsv(233, 65%, 80%)
CMYK	cmyk(64.5%, 57.1%, 0%, 20.4%)
CIE-LAB	lab(42.01, 30.89, -62.13)
CIE-LCH	lch(42.01, 69.38, 296.44°)
OKLab	oklab(51.21% 0.0088 -0.1787)
OKLCH	oklch(51.21% 0.179 272.8)
XYZ	xyz(16.8566, 12.5044, 58.0136)
Luminance	0.1251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4857CB #CBBC48

analogous

#4899CB #4857CB #7B48CB

triadic

#4857CB #CB4857 #57CB48

tetradic

#4857CB #CB4899 #CBBC48 #48CB7B

square

#4857CB #CB4899 #CBBC48 #48CB7B

split-complementary

#4857CB #CB7B48 #99CB48

monochromatic

#222C77 #2F3DA6 #4857CB #7883D9 #A7AFE6

Accessibility & contrast

On white

6.00

#4857CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#4857CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4857CB

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4857CB	#FFFFFF	#000000	##FFFFFF
##4857CB	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#005DC9

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4857cb;
/* rgb */ color: rgb(72, 87, 203);
/* oklch */ color: oklch(51.2% 0.179 272.8);

Tailwind

colors: {
  custom: {
    50: '#8986dc',
    500: '#4857cb',
    950: '#000000',
  },
}

SCSS

$custom: #4857cb;
$custom-light: #8986dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4857cb",
  "rgb": {
    "r": 72,
    "g": 87,
    "b": 203
  },
  "hsl": {
    "h": 233.13,
    "s": 55.745,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51213,
    "c": 0.17893,
    "h": 272.8
  },
  "luminance": 0.12506
}

Semantic roles & 50–950 ramp

primary

#4857CB

secondary

#D3CD9B

accent

#CE49DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4857CB

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

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