#4879BF#4879BF

#4879BF is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.4% C 0.121 H 257.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4879BF
RGB	rgb(72, 121, 191)
HSL	hsl(215, 48%, 52%)
HSV	hsv(215, 62%, 75%)
CMYK	cmyk(62.3%, 36.6%, 0%, 25.1%)
CIE-LAB	lab(50.47, 5.40, -41.65)
CIE-LCH	lch(50.47, 42.00, 277.39°)
OKLab	oklab(57.43% -0.0263 -0.1181)
OKLCH	oklch(57.43% 0.121 257.4)
XYZ	xyz(18.9105, 18.8123, 51.9147)
Luminance	0.1881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4879BF #BF8E48

analogous

#48B5BF #4879BF #5348BF

triadic

#4879BF #BF4879 #79BF48

tetradic

#4879BF #BF48B5 #BF8E48 #48BF53

square

#4879BF #BF48B5 #BF8E48 #48BF53

split-complementary

#4879BF #BF5348 #B5BF48

monochromatic

#244068 #345C96 #4879BF #759ACF #A3BBDF

Accessibility & contrast

On white

4.41

#4879BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#4879BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4879BF

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4879BF	#FFFFFF	#000000	##000000
##4879BF	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7EC2

Deuteranopia (green-blind)

#4B73BE

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4879bf;
/* rgb */ color: rgb(72, 121, 191);
/* oklch */ color: oklch(57.4% 0.121 257.4);

Tailwind

colors: {
  custom: {
    50: '#869fd2',
    500: '#4879bf',
    950: '#000000',
  },
}

SCSS

$custom: #4879bf;
$custom-light: #869fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#4879bf",
  "rgb": {
    "r": 72,
    "g": 121,
    "b": 191
  },
  "hsl": {
    "h": 215.294,
    "s": 48.178,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57432,
    "c": 0.12103,
    "h": 257.4
  },
  "luminance": 0.18814
}

Semantic roles & 50–950 ramp

primary

#4879BF

secondary

#CCB697

accent

#A050D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4879BF

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

Preview Lab → · Contrast checker → · Palette generator →