#4F59D1#4F59D1

#4F59D1 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.5% C 0.183 H 274.6°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#4F59D1
RGB	rgb(79, 89, 209)
HSL	hsl(235, 59%, 56%)
HSV	hsv(235, 62%, 82%)
CMYK	cmyk(62.2%, 57.4%, 0%, 18%)
CIE-LAB	lab(43.37, 32.81, -63.34)
CIE-LCH	lch(43.37, 71.34, 297.38°)
OKLab	oklab(52.48% 0.0147 -0.1821)
OKLCH	oklch(52.48% 0.183 274.6)
XYZ	xyz(18.3017, 13.4090, 61.9330)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F59D1 #D1C74F

analogous

#4F9AD1 #4F59D1 #864FD1

triadic

#4F59D1 #D14F59 #59D14F

tetradic

#4F59D1 #D14F9A #D1C74F #4FD186

square

#4F59D1 #D14F9A #D1C74F #4FD186

split-complementary

#4F59D1 #D1864F #9AD14F

monochromatic

#222A83 #2F39B4 #4F59D1 #8087DE #B0B5EA

Accessibility & contrast

On white

5.70

#4F59D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#4F59D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F59D1

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F59D1	#FFFFFF	#000000	##FFFFFF
##4F59D1	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD5

Deuteranopia (green-blind)

#0061CF

Tritanopia (blue-blind)

#00768C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4f59d1;
/* rgb */ color: rgb(79, 89, 209);
/* oklch */ color: oklch(52.5% 0.183 274.6);

Tailwind

colors: {
  custom: {
    50: '#8d88e0',
    500: '#4f59d1',
    950: '#000000',
  },
}

SCSS

$custom: #4f59d1;
$custom-light: #8d88e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f59d1",
  "rgb": {
    "r": 79,
    "g": 89,
    "b": 209
  },
  "hsl": {
    "h": 235.385,
    "s": 58.559,
    "l": 56.471
  },
  "oklch": {
    "l": 0.52482,
    "c": 0.1827,
    "h": 274.6
  },
  "luminance": 0.1341
}

Semantic roles & 50–950 ramp

primary

#4F59D1

secondary

#D9D4A3

accent

#D646E2

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F59D1

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

Preview Lab → · Contrast checker → · Palette generator →