#4857CF#4857CF

#4857CF is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.5% C 0.184 H 272.7°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#4857CF
RGB	rgb(72, 87, 207)
HSL	hsl(233, 58%, 55%)
HSV	hsv(233, 65%, 81%)
CMYK	cmyk(65.2%, 58%, 0%, 18.8%)
CIE-LAB	lab(42.30, 32.26, -63.95)
CIE-LCH	lch(42.30, 71.63, 296.77°)
OKLab	oklab(51.53% 0.0088 -0.1841)
OKLCH	oklch(51.53% 0.184 272.7)
XYZ	xyz(17.3394, 12.6976, 60.5565)
Luminance	0.1270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4857CF #CFC048

analogous

#489BCF #4857CF #7C48CF

triadic

#4857CF #CF4857 #57CF48

tetradic

#4857CF #CF489B #CFC048 #48CF7C

square

#4857CF #CF489B #CFC048 #48CF7C

split-complementary

#4857CF #CF7C48 #9BCF48

monochromatic

#212B7C #2D3BAD #4857CF #7884DC #A9B0E8

Accessibility & contrast

On white

5.93

#4857CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#4857CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4857CF

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4857CF	#FFFFFF	#000000	##FFFFFF
##4857CF	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#005ECD

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4857cf;
/* rgb */ color: rgb(72, 87, 207);
/* oklch */ color: oklch(51.5% 0.184 272.7);

Tailwind

colors: {
  custom: {
    50: '#8a86df',
    500: '#4857cf',
    950: '#000000',
  },
}

SCSS

$custom: #4857cf;
$custom-light: #8a86df;
$custom-dark: #000000;

JSON

{
  "hex": "#4857cf",
  "rgb": {
    "r": 72,
    "g": 87,
    "b": 207
  },
  "hsl": {
    "h": 233.333,
    "s": 58.442,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51528,
    "c": 0.18429,
    "h": 272.7
  },
  "luminance": 0.12699
}

Semantic roles & 50–950 ramp

primary

#4857CF

secondary

#D6D09D

accent

#D046E2

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4857CF

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

Preview Lab → · Contrast checker → · Palette generator →