#4C59BA#4C59BA

#4C59BA is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.6% C 0.152 H 273.9°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#4C59BA
RGB	rgb(76, 89, 186)
HSL	hsl(233, 44%, 51%)
HSV	hsv(233, 59%, 73%)
CMYK	cmyk(59.1%, 52.2%, 0%, 27.1%)
CIE-LAB	lab(41.57, 24.50, -52.95)
CIE-LCH	lch(41.57, 58.34, 294.84°)
OKLab	oklab(50.57% 0.0104 -0.1516)
OKLCH	oklch(50.57% 0.152 273.9)
XYZ	xyz(15.4129, 12.2252, 47.9924)
Luminance	0.1223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C59BA #BAAD4C

analogous

#4C90BA #4C59BA #764CBA

triadic

#4C59BA #BA4C59 #59BA4C

tetradic

#4C59BA #BA4C90 #BAAD4C #4CBA76

square

#4C59BA #BA4C90 #BAAD4C #4CBA76

split-complementary

#4C59BA #BA764C #90BA4C

monochromatic

#272E65 #384291 #4C59BA #7882CB #A4ABDC

Accessibility & contrast

On white

6.10

#4C59BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#4C59BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C59BA

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C59BA	#FFFFFF	#000000	##FFFFFF
##4C59BA	1.00	6.10	3.45	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2167BD

Deuteranopia (green-blind)

#025EB8

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4c59ba;
/* rgb */ color: rgb(76, 89, 186);
/* oklch */ color: oklch(50.6% 0.152 273.9);

Tailwind

colors: {
  custom: {
    50: '#8887cf',
    500: '#4c59ba',
    950: '#000000',
  },
}

SCSS

$custom: #4c59ba;
$custom-light: #8887cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4c59ba",
  "rgb": {
    "r": 76,
    "g": 89,
    "b": 186
  },
  "hsl": {
    "h": 232.909,
    "s": 44.355,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50574,
    "c": 0.15195,
    "h": 273.9
  },
  "luminance": 0.12226
}

Semantic roles & 50–950 ramp

primary

#4C59BA

secondary

#C9C399

accent

#C554D4

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4C59BA

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

Preview Lab → · Contrast checker → · Palette generator →