#4C59D9#4C59D9

#4C59D9 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.9% C 0.194 H 273.4°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#4C59D9
RGB	rgb(76, 89, 217)
HSL	hsl(234, 65%, 57%)
HSV	hsv(234, 65%, 85%)
CMYK	cmyk(65%, 59%, 0%, 14.9%)
CIE-LAB	lab(43.78, 35.04, -67.26)
CIE-LCH	lch(43.78, 75.84, 297.52°)
OKLab	oklab(52.93% 0.0114 -0.1937)
OKLCH	oklch(52.93% 0.194 273.4)
XYZ	xyz(19.0731, 13.6893, 67.2694)
Luminance	0.1369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C59D9 #D9CC4C

analogous

#4CA0D9 #4C59D9 #854CD9

triadic

#4C59D9 #D94C59 #59D94C

tetradic

#4C59D9 #D94CA0 #D9CC4C #4CD985

square

#4C59D9 #D94CA0 #D9CC4C #4CD985

split-complementary

#4C59D9 #D9854C #A0D94C

monochromatic

#1E288D #2936BF #4C59D9 #7E88E4 #B1B7EE

Accessibility & contrast

On white

5.62

#4C59D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#4C59D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C59D9

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C59D9	#FFFFFF	#000000	##FFFFFF
##4C59D9	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDD

Deuteranopia (green-blind)

#0061D6

Tritanopia (blue-blind)

#007990

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4c59d9;
/* rgb */ color: rgb(76, 89, 217);
/* oklch */ color: oklch(52.9% 0.194 273.4);

Tailwind

colors: {
  custom: {
    50: '#8d88e6',
    500: '#4c59d9',
    950: '#000000',
  },
}

SCSS

$custom: #4c59d9;
$custom-light: #8d88e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c59d9",
  "rgb": {
    "r": 76,
    "g": 89,
    "b": 217
  },
  "hsl": {
    "h": 234.468,
    "s": 64.977,
    "l": 57.451
  },
  "oklch": {
    "l": 0.52926,
    "c": 0.19404,
    "h": 273.4
  },
  "luminance": 0.13691
}

Semantic roles & 50–950 ramp

primary

#4C59D9

secondary

#DDD8A4

accent

#D840E8

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4C59D9

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

Preview Lab → · Contrast checker → · Palette generator →