#4C59BF#4C59BF

#4C59BF is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.159 H 273.9°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4C59BF
RGB	rgb(76, 89, 191)
HSL	hsl(233, 47%, 52%)
HSV	hsv(233, 60%, 75%)
CMYK	cmyk(60.2%, 53.4%, 0%, 25.1%)
CIE-LAB	lab(41.91, 26.20, -55.32)
CIE-LCH	lch(41.91, 61.21, 295.35°)
OKLab	oklab(50.93% 0.0107 -0.1586)
OKLCH	oklch(50.93% 0.159 273.9)
XYZ	xyz(15.9538, 12.4416, 50.8409)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C59BF #BFB24C

analogous

#4C93BF #4C59BF #784CBF

triadic

#4C59BF #BF4C59 #59BF4C

tetradic

#4C59BF #BF4C93 #BFB24C #4CBF78

square

#4C59BF #BF4C93 #BFB24C #4CBF78

split-complementary

#4C59BF #BF784C #93BF4C

monochromatic

#262E6B #364198 #4C59BF #7983CF #A6ADDF

Accessibility & contrast

On white

6.02

#4C59BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#4C59BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C59BF

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C59BF	#FFFFFF	#000000	##FFFFFF
##4C59BF	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1868C3

Deuteranopia (green-blind)

#005EBD

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4c59bf;
/* rgb */ color: rgb(76, 89, 191);
/* oklch */ color: oklch(50.9% 0.159 273.9);

Tailwind

colors: {
  custom: {
    50: '#8987d3',
    500: '#4c59bf',
    950: '#000000',
  },
}

SCSS

$custom: #4c59bf;
$custom-light: #8987d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4c59bf",
  "rgb": {
    "r": 76,
    "g": 89,
    "b": 191
  },
  "hsl": {
    "h": 233.217,
    "s": 47.325,
    "l": 52.353
  },
  "oklch": {
    "l": 0.50935,
    "c": 0.15893,
    "h": 273.9
  },
  "luminance": 0.12443
}

Semantic roles & 50–950 ramp

primary

#4C59BF

secondary

#CCC79A

accent

#C851D7

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4C59BF

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

Preview Lab → · Contrast checker → · Palette generator →