#4F59CA#4F59CA

#4F59CA is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.9% C 0.173 H 274.8°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#4F59CA
RGB	rgb(79, 89, 202)
HSL	hsl(235, 54%, 55%)
HSV	hsv(235, 61%, 79%)
CMYK	cmyk(60.9%, 55.9%, 0%, 20.8%)
CIE-LAB	lab(42.87, 30.46, -60.13)
CIE-LCH	lch(42.87, 67.40, 296.86°)
OKLab	oklab(51.95% 0.0146 -0.1727)
OKLCH	oklch(51.95% 0.173 274.8)
XYZ	xyz(17.4540, 13.0699, 57.4686)
Luminance	0.1307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F59CA #CAC04F

analogous

#4F96CA #4F59CA #824FCA

triadic

#4F59CA #CA4F59 #59CA4F

tetradic

#4F59CA #CA4F96 #CAC04F #4FCA82

square

#4F59CA #CA4F96 #CAC04F #4FCA82

split-complementary

#4F59CA #CA824F #96CA4F

monochromatic

#252C7A #333CA9 #4F59CA #7E85D8 #ADB2E6

Accessibility & contrast

On white

5.81

#4F59CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#4F59CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F59CA

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F59CA	#FFFFFF	#000000	##FFFFFF
##4F59CA	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCE

Deuteranopia (green-blind)

#0060C8

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4f59ca;
/* rgb */ color: rgb(79, 89, 202);
/* oklch */ color: oklch(51.9% 0.173 274.8);

Tailwind

colors: {
  custom: {
    50: '#8c87db',
    500: '#4f59ca',
    950: '#000000',
  },
}

SCSS

$custom: #4f59ca;
$custom-light: #8c87db;
$custom-dark: #000000;

JSON

{
  "hex": "#4f59ca",
  "rgb": {
    "r": 79,
    "g": 89,
    "b": 202
  },
  "hsl": {
    "h": 235.122,
    "s": 53.712,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51947,
    "c": 0.17327,
    "h": 274.8
  },
  "luminance": 0.13071
}

Semantic roles & 50–950 ramp

primary

#4F59CA

secondary

#D4D0A1

accent

#D14BDD

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F59CA

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

Preview Lab → · Contrast checker → · Palette generator →