#4C59D8#4C59D8

#4C59D8 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.8% C 0.193 H 273.4°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#4C59D8
RGB	rgb(76, 89, 216)
HSL	hsl(234, 64%, 57%)
HSV	hsv(234, 65%, 85%)
CMYK	cmyk(64.8%, 58.8%, 0%, 15.3%)
CIE-LAB	lab(43.71, 34.70, -66.82)
CIE-LCH	lch(43.71, 75.29, 297.44°)
OKLab	oklab(52.85% 0.0114 -0.1924)
OKLCH	oklch(52.85% 0.193 273.4)
XYZ	xyz(18.9434, 13.6375, 66.5864)
Luminance	0.1364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C59D8 #D8CB4C

analogous

#4C9FD8 #4C59D8 #854CD8

triadic

#4C59D8 #D84C59 #59D84C

tetradic

#4C59D8 #D84C9F #D8CB4C #4CD885

square

#4C59D8 #D84C9F #D8CB4C #4CD885

split-complementary

#4C59D8 #D8854C #9FD84C

monochromatic

#1E288B #2937BE #4C59D8 #7E88E3 #B1B6EE

Accessibility & contrast

On white

5.63

#4C59D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#4C59D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C59D8

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C59D8	#FFFFFF	#000000	##FFFFFF
##4C59D8	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDC

Deuteranopia (green-blind)

#0061D5

Tritanopia (blue-blind)

#007890

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4c59d8;
/* rgb */ color: rgb(76, 89, 216);
/* oklch */ color: oklch(52.8% 0.193 273.4);

Tailwind

colors: {
  custom: {
    50: '#8d88e5',
    500: '#4c59d8',
    950: '#000000',
  },
}

SCSS

$custom: #4c59d8;
$custom-light: #8d88e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4c59d8",
  "rgb": {
    "r": 76,
    "g": 89,
    "b": 216
  },
  "hsl": {
    "h": 234.429,
    "s": 64.22,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52846,
    "c": 0.19273,
    "h": 273.4
  },
  "luminance": 0.13639
}

Semantic roles & 50–950 ramp

primary

#4C59D8

secondary

#DCD7A4

accent

#D841E7

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4C59D8

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

Preview Lab → · Contrast checker → · Palette generator →