#4F59CF#4F59CF

#4F59CF is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.3% C 0.180 H 274.7°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#4F59CF
RGB	rgb(79, 89, 207)
HSL	hsl(235, 57%, 56%)
HSV	hsv(235, 62%, 81%)
CMYK	cmyk(61.8%, 57%, 0%, 18.8%)
CIE-LAB	lab(43.23, 32.14, -62.43)
CIE-LCH	lch(43.23, 70.22, 297.24°)
OKLab	oklab(52.33% 0.0146 -0.1794)
OKLCH	oklch(52.33% 0.18 274.7)
XYZ	xyz(18.0556, 13.3105, 60.6371)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F59CF #CFC54F

analogous

#4F99CF #4F59CF #854FCF

triadic

#4F59CF #CF4F59 #59CF4F

tetradic

#4F59CF #CF4F99 #CFC54F #4FCF85

square

#4F59CF #CF4F99 #CFC54F #4FCF85

split-complementary

#4F59CF #CF854F #99CF4F

monochromatic

#232A81 #303AB1 #4F59CF #7F86DC #AFB4E9

Accessibility & contrast

On white

5.73

#4F59CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#4F59CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F59CF

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F59CF	#FFFFFF	#000000	##FFFFFF
##4F59CF	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD3

Deuteranopia (green-blind)

#0061CD

Tritanopia (blue-blind)

#00758B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4f59cf;
/* rgb */ color: rgb(79, 89, 207);
/* oklch */ color: oklch(52.3% 0.180 274.7);

Tailwind

colors: {
  custom: {
    50: '#8d87de',
    500: '#4f59cf',
    950: '#000000',
  },
}

SCSS

$custom: #4f59cf;
$custom-light: #8d87de;
$custom-dark: #000000;

JSON

{
  "hex": "#4f59cf",
  "rgb": {
    "r": 79,
    "g": 89,
    "b": 207
  },
  "hsl": {
    "h": 235.313,
    "s": 57.143,
    "l": 56.078
  },
  "oklch": {
    "l": 0.52328,
    "c": 0.18002,
    "h": 274.7
  },
  "luminance": 0.13312
}

Semantic roles & 50–950 ramp

primary

#4F59CF

secondary

#D7D3A2

accent

#D447E0

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F59CF

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

Preview Lab → · Contrast checker → · Palette generator →