#4F59CC#4F59CC

#4F59CC is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.1% C 0.176 H 274.8°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#4F59CC
RGB	rgb(79, 89, 204)
HSL	hsl(235, 55%, 55%)
HSV	hsv(235, 61%, 80%)
CMYK	cmyk(61.3%, 56.4%, 0%, 20%)
CIE-LAB	lab(43.01, 31.13, -61.05)
CIE-LCH	lch(43.01, 68.53, 297.01°)
OKLab	oklab(52.1% 0.0146 -0.1754)
OKLCH	oklch(52.1% 0.176 274.8)
XYZ	xyz(17.6923, 13.1652, 58.7238)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F59CC #CCC24F

analogous

#4F97CC #4F59CC #834FCC

triadic

#4F59CC #CC4F59 #59CC4F

tetradic

#4F59CC #CC4F97 #CCC24F #4FCC83

square

#4F59CC #CC4F97 #CCC24F #4FCC83

split-complementary

#4F59CC #CC834F #97CC4F

monochromatic

#242B7D #323CAC #4F59CC #7E86DA #AEB3E7

Accessibility & contrast

On white

5.78

#4F59CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#4F59CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F59CC

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F59CC	#FFFFFF	#000000	##FFFFFF
##4F59CC	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#0060CA

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4f59cc;
/* rgb */ color: rgb(79, 89, 204);
/* oklch */ color: oklch(52.1% 0.176 274.8);

Tailwind

colors: {
  custom: {
    50: '#8c87dc',
    500: '#4f59cc',
    950: '#000000',
  },
}

SCSS

$custom: #4f59cc;
$custom-light: #8c87dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f59cc",
  "rgb": {
    "r": 79,
    "g": 89,
    "b": 204
  },
  "hsl": {
    "h": 235.2,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.52098,
    "c": 0.17598,
    "h": 274.8
  },
  "luminance": 0.13167
}

Semantic roles & 50–950 ramp

primary

#4F59CC

secondary

#D5D1A1

accent

#D249DE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F59CC

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

Preview Lab → · Contrast checker → · Palette generator →