#4C79CB#4C79CB

#4C79CB is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.3% C 0.136 H 261.4°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#4C79CB
RGB	rgb(76, 121, 203)
HSL	hsl(219, 55%, 55%)
HSV	hsv(219, 63%, 80%)
CMYK	cmyk(62.6%, 40.4%, 0%, 20.4%)
CIE-LAB	lab(51.29, 10.26, -47.19)
CIE-LCH	lch(51.29, 48.29, 282.27°)
OKLab	oklab(58.33% -0.0202 -0.1343)
OKLCH	oklch(58.33% 0.136 261.4)
XYZ	xyz(20.5936, 19.5212, 59.1710)
Luminance	0.1952 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C79CB #CB9E4C

analogous

#4CB9CB #4C79CB #5F4CCB

triadic

#4C79CB #CB4C79 #79CB4C

tetradic

#4C79CB #CB4CB9 #CB9E4C #4CCB5F

square

#4C79CB #CB4CB9 #CB9E4C #4CCB5F

split-complementary

#4C79CB #CB5F4C #B9CB4C

monochromatic

#234279 #315BA9 #4C79CB #7B9DD9 #ABC0E7

Accessibility & contrast

On white

4.28

#4C79CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#4C79CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C79CB

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C79CB	#FFFFFF	#000000	##000000
##4C79CB	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5581CE

Deuteranopia (green-blind)

#4275C9

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4c79cb;
/* rgb */ color: rgb(76, 121, 203);
/* oklch */ color: oklch(58.3% 0.136 261.4);

Tailwind

colors: {
  custom: {
    50: '#899fdb',
    500: '#4c79cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c79cb;
$custom-light: #899fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4c79cb",
  "rgb": {
    "r": 76,
    "g": 121,
    "b": 203
  },
  "hsl": {
    "h": 218.74,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58331,
    "c": 0.1358,
    "h": 261.4
  },
  "luminance": 0.19523
}

Semantic roles & 50–950 ramp

primary

#4C79CB

secondary

#D4C19F

accent

#AA49DE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4C79CB

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

Preview Lab → · Contrast checker → · Palette generator →