#4879E3#4879E3

#4879E3 is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.7% C 0.170 H 263.5°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#4879E3
RGB	rgb(72, 121, 227)
HSL	hsl(221, 73%, 59%)
HSV	hsv(221, 68%, 89%)
CMYK	cmyk(68.3%, 46.7%, 0%, 11%)
CIE-LAB	lab(52.50, 17.96, -58.83)
CIE-LCH	lch(52.50, 61.51, 286.98°)
OKLab	oklab(59.67% -0.0193 -0.1686)
OKLCH	oklch(59.67% 0.17 263.5)
XYZ	xyz(23.3701, 20.5962, 75.4020)
Luminance	0.2060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4879E3 #E3B248

analogous

#48C7E3 #4879E3 #6448E3

triadic

#4879E3 #E34879 #79E348

tetradic

#4879E3 #E348C7 #E3B248 #48E364

square

#4879E3 #E348C7 #E3B248 #48E364

split-complementary

#4879E3 #E36448 #C7E348

monochromatic

#174099 #2057CE #4879E3 #7DA0EB #B2C7F3

Accessibility & contrast

On white

4.10

#4879E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#4879E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4879E3

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4879E3	#FFFFFF	#000000	##000000
##4879E3	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4285E7

Deuteranopia (green-blind)

#1E77E1

Tritanopia (blue-blind)

#0092A3

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4879e3;
/* rgb */ color: rgb(72, 121, 227);
/* oklch */ color: oklch(59.7% 0.170 263.5);

Tailwind

colors: {
  custom: {
    50: '#8c9fec',
    500: '#4879e3',
    950: '#000000',
  },
}

SCSS

$custom: #4879e3;
$custom-light: #8c9fec;
$custom-dark: #000000;

JSON

{
  "hex": "#4879e3",
  "rgb": {
    "r": 72,
    "g": 121,
    "b": 227
  },
  "hsl": {
    "h": 221.032,
    "s": 73.46,
    "l": 58.627
  },
  "oklch": {
    "l": 0.59666,
    "c": 0.16966,
    "h": 263.5
  },
  "luminance": 0.20599
}

Semantic roles & 50–950 ramp

primary

#4879E3

secondary

#E2CFA5

accent

#B638F0

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4879E3

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

Preview Lab → · Contrast checker → · Palette generator →