#4879E1#4879E1

#4879E1 is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.5% C 0.167 H 263.3°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#4879E1
RGB	rgb(72, 121, 225)
HSL	hsl(221, 72%, 58%)
HSV	hsv(221, 68%, 88%)
CMYK	cmyk(68%, 46.2%, 0%, 11.8%)
CIE-LAB	lab(52.38, 17.26, -57.91)
CIE-LCH	lch(52.38, 60.42, 286.59°)
OKLab	oklab(59.53% -0.0196 -0.1658)
OKLCH	oklch(59.53% 0.167 263.3)
XYZ	xyz(23.0957, 20.4864, 73.9567)
Luminance	0.2049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4879E1 #E1B048

analogous

#48C6E1 #4879E1 #6348E1

triadic

#4879E1 #E14879 #79E148

tetradic

#4879E1 #E148C6 #E1B048 #48E163

square

#4879E1 #E148C6 #E1B048 #48E163

split-complementary

#4879E1 #E16348 #C6E148

monochromatic

#194196 #2157CB #4879E1 #7DA0EA #B1C6F2

Accessibility & contrast

On white

4.12

#4879E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#4879E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4879E1

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4879E1	#FFFFFF	#000000	##000000
##4879E1	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4384E5

Deuteranopia (green-blind)

#2376DF

Tritanopia (blue-blind)

#0091A2

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4879e1;
/* rgb */ color: rgb(72, 121, 225);
/* oklch */ color: oklch(59.5% 0.167 263.3);

Tailwind

colors: {
  custom: {
    50: '#8b9feb',
    500: '#4879e1',
    950: '#000000',
  },
}

SCSS

$custom: #4879e1;
$custom-light: #8b9feb;
$custom-dark: #000000;

JSON

{
  "hex": "#4879e1",
  "rgb": {
    "r": 72,
    "g": 121,
    "b": 225
  },
  "hsl": {
    "h": 220.784,
    "s": 71.831,
    "l": 58.235
  },
  "oklch": {
    "l": 0.59533,
    "c": 0.16698,
    "h": 263.3
  },
  "luminance": 0.20489
}

Semantic roles & 50–950 ramp

primary

#4879E1

secondary

#E1CDA4

accent

#B439EF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4879E1

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

Preview Lab → · Contrast checker → · Palette generator →