#4F56CB#4F56CB

#4F56CB is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.5% C 0.178 H 275.6°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4F56CB
RGB	rgb(79, 86, 203)
HSL	hsl(237, 54%, 55%)
HSV	hsv(237, 61%, 80%)
CMYK	cmyk(61.1%, 57.6%, 0%, 20.4%)
CIE-LAB	lab(42.20, 32.66, -61.80)
CIE-LCH	lch(42.20, 69.90, 297.86°)
OKLab	oklab(51.47% 0.0174 -0.1776)
OKLCH	oklch(51.47% 0.178 275.6)
XYZ	xyz(17.3282, 12.6283, 58.0127)
Luminance	0.1263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F56CB #CBC44F

analogous

#4F94CB #4F56CB #864FCB

triadic

#4F56CB #CB4F56 #56CB4F

tetradic

#4F56CB #CB4F94 #CBC44F #4FCB86

square

#4F56CB #CB4F94 #CBC44F #4FCB86

split-complementary

#4F56CB #CB864F #94CB4F

monochromatic

#24297B #3239AA #4F56CB #7E83D9 #ADB1E7

Accessibility & contrast

On white

5.96

#4F56CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#4F56CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F56CB

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F56CB	#FFFFFF	#000000	##FFFFFF
##4F56CB	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4f56cb;
/* rgb */ color: rgb(79, 86, 203);
/* oklch */ color: oklch(51.5% 0.178 275.6);

Tailwind

colors: {
  custom: {
    50: '#8c85dc',
    500: '#4f56cb',
    950: '#000000',
  },
}

SCSS

$custom: #4f56cb;
$custom-light: #8c85dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f56cb",
  "rgb": {
    "r": 79,
    "g": 86,
    "b": 203
  },
  "hsl": {
    "h": 236.613,
    "s": 54.386,
    "l": 55.294
  },
  "oklch": {
    "l": 0.5147,
    "c": 0.17844,
    "h": 275.6
  },
  "luminance": 0.1263
}

Semantic roles & 50–950 ramp

primary

#4F56CB

secondary

#D5D2A1

accent

#D54ADE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F56CB

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

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