#4F59BA#4F59BA

#4F59BA is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.8% C 0.151 H 275.2°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#4F59BA
RGB	rgb(79, 89, 186)
HSL	hsl(234, 44%, 52%)
HSV	hsv(234, 58%, 73%)
CMYK	cmyk(57.5%, 52.2%, 0%, 27.1%)
CIE-LAB	lab(41.77, 25.09, -52.62)
CIE-LCH	lch(41.77, 58.29, 295.49°)
OKLab	oklab(50.77% 0.0138 -0.1505)
OKLCH	oklch(50.77% 0.151 275.2)
XYZ	xyz(15.6569, 12.3511, 48.0038)
Luminance	0.1235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F59BA #BAB04F

analogous

#4F8EBA #4F59BA #7B4FBA

triadic

#4F59BA #BA4F59 #59BA4F

tetradic

#4F59BA #BA4F8E #BAB04F #4FBA7B

square

#4F59BA #BA4F8E #BAB04F #4FBA7B

split-complementary

#4F59BA #BA7B4F #8EBA4F

monochromatic

#282E66 #394292 #4F59BA #7B82CB #A7ACDC

Accessibility & contrast

On white

6.05

#4F59BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#4F59BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F59BA

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F59BA	#FFFFFF	#000000	##FFFFFF
##4F59BA	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2367BD

Deuteranopia (green-blind)

#095EB8

Tritanopia (blue-blind)

#096F81

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4f59ba;
/* rgb */ color: rgb(79, 89, 186);
/* oklch */ color: oklch(50.8% 0.151 275.2);

Tailwind

colors: {
  custom: {
    50: '#8987cf',
    500: '#4f59ba',
    950: '#000000',
  },
}

SCSS

$custom: #4f59ba;
$custom-light: #8987cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4f59ba",
  "rgb": {
    "r": 79,
    "g": 89,
    "b": 186
  },
  "hsl": {
    "h": 234.393,
    "s": 43.673,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50773,
    "c": 0.15118,
    "h": 275.2
  },
  "luminance": 0.12352
}

Semantic roles & 50–950 ramp

primary

#4F59BA

secondary

#CAC59B

accent

#C854D3

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4F59BA

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

Preview Lab → · Contrast checker → · Palette generator →