#4F59DD#4F59DD

#4F59DD is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.4% C 0.199 H 274.2°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4F59DD
RGB	rgb(79, 89, 221)
HSL	hsl(236, 68%, 59%)
HSV	hsv(236, 64%, 87%)
CMYK	cmyk(64.3%, 59.7%, 0%, 13.3%)
CIE-LAB	lab(44.27, 36.83, -68.74)
CIE-LCH	lch(44.27, 77.99, 298.18°)
OKLab	oklab(53.43% 0.0146 -0.198)
OKLCH	oklch(53.43% 0.199 274.2)
XYZ	xyz(19.8437, 14.0258, 70.0541)
Luminance	0.1403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F59DD #DDD34F

analogous

#4FA0DD #4F59DD #8C4FDD

triadic

#4F59DD #DD4F59 #59DD4F

tetradic

#4F59DD #DD4FA0 #DDD34F #4FDD8C

square

#4F59DD #DD4FA0 #DDD34F #4FDD8C

split-complementary

#4F59DD #DD8C4F #A0DD4F

monochromatic

#1D2595 #2732C8 #4F59DD #8289E7 #B6BAF1

Accessibility & contrast

On white

5.52

#4F59DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4F59DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F59DD

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F59DD	#FFFFFF	#000000	##FFFFFF
##4F59DD	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE1

Deuteranopia (green-blind)

#0062DA

Tritanopia (blue-blind)

#007A92

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4f59dd;
/* rgb */ color: rgb(79, 89, 221);
/* oklch */ color: oklch(53.4% 0.199 274.2);

Tailwind

colors: {
  custom: {
    50: '#8f88e9',
    500: '#4f59dd',
    950: '#000000',
  },
}

SCSS

$custom: #4f59dd;
$custom-light: #8f88e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f59dd",
  "rgb": {
    "r": 79,
    "g": 89,
    "b": 221
  },
  "hsl": {
    "h": 235.775,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.53428,
    "c": 0.19852,
    "h": 274.2
  },
  "luminance": 0.14027
}

Semantic roles & 50–950 ramp

primary

#4F59DD

secondary

#E0DCA8

accent

#DE3DEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4F59DD

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

Preview Lab → · Contrast checker → · Palette generator →