#4F59BF#4F59BF

#4F59BF is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.1% C 0.158 H 275.1°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4F59BF
RGB	rgb(79, 89, 191)
HSL	hsl(235, 47%, 53%)
HSV	hsv(235, 59%, 75%)
CMYK	cmyk(58.6%, 53.4%, 0%, 25.1%)
CIE-LAB	lab(42.10, 26.76, -54.99)
CIE-LCH	lch(42.10, 61.16, 295.95°)
OKLab	oklab(51.13% 0.0141 -0.1575)
OKLCH	oklch(51.13% 0.158 275.1)
XYZ	xyz(16.1977, 12.5674, 50.8523)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F59BF #BFB54F

analogous

#4F91BF #4F59BF #7D4FBF

triadic

#4F59BF #BF4F59 #59BF4F

tetradic

#4F59BF #BF4F91 #BFB54F #4FBF7D

square

#4F59BF #BF4F91 #BFB54F #4FBF7D

split-complementary

#4F59BF #BF7D4F #91BF4F

monochromatic

#272E6C #384099 #4F59BF #7C83CF #A9AEE0

Accessibility & contrast

On white

5.98

#4F59BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4F59BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F59BF

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F59BF	#FFFFFF	#000000	##FFFFFF
##4F59BF	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A68C3

Deuteranopia (green-blind)

#005FBD

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4f59bf;
/* rgb */ color: rgb(79, 89, 191);
/* oklch */ color: oklch(51.1% 0.158 275.1);

Tailwind

colors: {
  custom: {
    50: '#8a87d3',
    500: '#4f59bf',
    950: '#000000',
  },
}

SCSS

$custom: #4f59bf;
$custom-light: #8a87d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f59bf",
  "rgb": {
    "r": 79,
    "g": 89,
    "b": 191
  },
  "hsl": {
    "h": 234.643,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51132,
    "c": 0.15817,
    "h": 275.1
  },
  "luminance": 0.12569
}

Semantic roles & 50–950 ramp

primary

#4F59BF

secondary

#CDC99D

accent

#CA51D6

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0D0B14

muted

#7D7C83

Preview Lab

Preview with #4F59BF

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

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