#4C57DA#4C57DA

#4C57DA is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.6% C 0.198 H 273.8°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#4C57DA
RGB	rgb(76, 87, 218)
HSL	hsl(235, 66%, 58%)
HSV	hsv(235, 65%, 85%)
CMYK	cmyk(65.1%, 60.1%, 0%, 14.5%)
CIE-LAB	lab(43.38, 36.61, -68.49)
CIE-LCH	lch(43.38, 77.66, 298.12°)
OKLab	oklab(52.65% 0.013 -0.1973)
OKLCH	oklch(52.65% 0.198 273.8)
XYZ	xyz(19.0394, 13.4132, 67.9017)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C57DA #DACF4C

analogous

#4C9EDA #4C57DA #884CDA

triadic

#4C57DA #DA4C57 #57DA4C

tetradic

#4C57DA #DA4C9E #DACF4C #4CDA88

square

#4C57DA #DA4C9E #DACF4C #4CDA88

split-complementary

#4C57DA #DA884C #9EDA4C

monochromatic

#1D268E #2834C1 #4C57DA #7F87E4 #B1B6EF

Accessibility & contrast

On white

5.70

#4C57DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#4C57DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C57DA

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C57DA	#FFFFFF	#000000	##FFFFFF
##4C57DA	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDE

Deuteranopia (green-blind)

#0060D7

Tritanopia (blue-blind)

#007890

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4c57da;
/* rgb */ color: rgb(76, 87, 218);
/* oklch */ color: oklch(52.6% 0.198 273.8);

Tailwind

colors: {
  custom: {
    50: '#8e86e6',
    500: '#4c57da',
    950: '#000000',
  },
}

SCSS

$custom: #4c57da;
$custom-light: #8e86e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c57da",
  "rgb": {
    "r": 76,
    "g": 87,
    "b": 218
  },
  "hsl": {
    "h": 235.352,
    "s": 65.741,
    "l": 57.647
  },
  "oklch": {
    "l": 0.5265,
    "c": 0.19777,
    "h": 273.8
  },
  "luminance": 0.13415
}

Semantic roles & 50–950 ramp

primary

#4C57DA

secondary

#DDD9A4

accent

#DC3FE9

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4C57DA

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

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