#4C57D9#4C57D9

#4C57D9 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.6% C 0.196 H 273.8°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#4C57D9
RGB	rgb(76, 87, 217)
HSL	hsl(235, 65%, 57%)
HSV	hsv(235, 65%, 85%)
CMYK	cmyk(65%, 59.9%, 0%, 14.9%)
CIE-LAB	lab(43.30, 36.27, -68.05)
CIE-LCH	lch(43.30, 77.11, 298.06°)
OKLab	oklab(52.57% 0.013 -0.196)
OKLCH	oklch(52.57% 0.196 273.8)
XYZ	xyz(18.9089, 13.3610, 67.2146)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C57D9 #D9CE4C

analogous

#4C9ED9 #4C57D9 #874CD9

triadic

#4C57D9 #D94C57 #57D94C

tetradic

#4C57D9 #D94C9E #D9CE4C #4CD987

square

#4C57D9 #D94C9E #D9CE4C #4CD987

split-complementary

#4C57D9 #D9874C #9ED94C

monochromatic

#1E278D #2934BF #4C57D9 #7E86E4 #B1B6EE

Accessibility & contrast

On white

5.72

#4C57D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#4C57D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C57D9

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C57D9	#FFFFFF	#000000	##FFFFFF
##4C57D9	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDD

Deuteranopia (green-blind)

#0060D6

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4c57d9;
/* rgb */ color: rgb(76, 87, 217);
/* oklch */ color: oklch(52.6% 0.196 273.8);

Tailwind

colors: {
  custom: {
    50: '#8d86e6',
    500: '#4c57d9',
    950: '#000000',
  },
}

SCSS

$custom: #4c57d9;
$custom-light: #8d86e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c57d9",
  "rgb": {
    "r": 76,
    "g": 87,
    "b": 217
  },
  "hsl": {
    "h": 235.319,
    "s": 64.977,
    "l": 57.451
  },
  "oklch": {
    "l": 0.52569,
    "c": 0.19646,
    "h": 273.8
  },
  "luminance": 0.13363
}

Semantic roles & 50–950 ramp

primary

#4C57D9

secondary

#DDD8A4

accent

#DB40E8

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4C57D9

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

Preview Lab → · Contrast checker → · Palette generator →