#4B79CB#4B79CB

#4B79CB is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.3% C 0.136 H 261.1°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#4B79CB
RGB	rgb(75, 121, 203)
HSL	hsl(218, 55%, 55%)
HSV	hsv(218, 63%, 80%)
CMYK	cmyk(63.1%, 40.4%, 0%, 20.4%)
CIE-LAB	lab(51.24, 10.08, -47.27)
CIE-LCH	lch(51.24, 48.33, 282.03°)
OKLab	oklab(58.28% -0.021 -0.1345)
OKLCH	oklch(58.28% 0.136 261.1)
XYZ	xyz(20.5147, 19.4805, 59.1673)
Luminance	0.1948 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B79CB #CB9D4B

analogous

#4BB9CB #4B79CB #5D4BCB

triadic

#4B79CB #CB4B79 #79CB4B

tetradic

#4B79CB #CB4BB9 #CB9D4B #4BCB5D

square

#4B79CB #CB4BB9 #CB9D4B #4BCB5D

split-complementary

#4B79CB #CB5D4B #B9CB4B

monochromatic

#234279 #315CA8 #4B79CB #7A9CD9 #AAC0E6

Accessibility & contrast

On white

4.29

#4B79CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#4B79CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B79CB

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B79CB	#FFFFFF	#000000	##000000
##4B79CB	1.00	4.29	4.90	4.90
#FFFFFF	4.29	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)

#5480CE

Deuteranopia (green-blind)

#4275C9

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4b79cb;
/* rgb */ color: rgb(75, 121, 203);
/* oklch */ color: oklch(58.3% 0.136 261.1);

Tailwind

colors: {
  custom: {
    50: '#899fdb',
    500: '#4b79cb',
    950: '#000000',
  },
}

SCSS

$custom: #4b79cb;
$custom-light: #899fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b79cb",
  "rgb": {
    "r": 75,
    "g": 121,
    "b": 203
  },
  "hsl": {
    "h": 218.438,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.58282,
    "c": 0.13617,
    "h": 261.1
  },
  "luminance": 0.19482
}

Semantic roles & 50–950 ramp

primary

#4B79CB

secondary

#D4C19E

accent

#A949DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4B79CB

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

Preview Lab → · Contrast checker → · Palette generator →