#4870E4#4870E4

#4870E4 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.9% C 0.182 H 266.4°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4870E4
RGB	rgb(72, 112, 228)
HSL	hsl(225, 74%, 59%)
HSV	hsv(225, 68%, 89%)
CMYK	cmyk(68.4%, 50.9%, 0%, 10.6%)
CIE-LAB	lab(50.17, 23.91, -63.15)
CIE-LCH	lch(50.17, 67.52, 290.74°)
OKLab	oklab(57.91% -0.0113 -0.1814)
OKLCH	oklch(57.91% 0.182 266.4)
XYZ	xyz(22.4654, 18.5653, 75.7833)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4870E4 #E4BC48

analogous

#48BEE4 #4870E4 #6E48E4

triadic

#4870E4 #E44870 #70E448

tetradic

#4870E4 #E448BE #E4BC48 #48E46E

square

#4870E4 #E448BE #E4BC48 #48E46E

split-complementary

#4870E4 #E46E48 #BEE448

monochromatic

#17399B #1F4CD0 #4870E4 #7D9AEC #B3C3F4

Accessibility & contrast

On white

4.46

#4870E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4870E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4870E4

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4870E4	#FFFFFF	#000000	##000000
##4870E4	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#287FE8

Deuteranopia (green-blind)

#0071E2

Tritanopia (blue-blind)

#008C9F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4870e4;
/* rgb */ color: rgb(72, 112, 228);
/* oklch */ color: oklch(57.9% 0.182 266.4);

Tailwind

colors: {
  custom: {
    50: '#8c98ed',
    500: '#4870e4',
    950: '#000000',
  },
}

SCSS

$custom: #4870e4;
$custom-light: #8c98ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4870e4",
  "rgb": {
    "r": 72,
    "g": 112,
    "b": 228
  },
  "hsl": {
    "h": 224.615,
    "s": 74.286,
    "l": 58.824
  },
  "oklch": {
    "l": 0.5791,
    "c": 0.18175,
    "h": 266.4
  },
  "luminance": 0.18567
}

Semantic roles & 50–950 ramp

primary

#4870E4

secondary

#E3D3A5

accent

#C137F1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4870E4

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

Preview Lab → · Contrast checker → · Palette generator →