#4C57AE#4C57AE

#4C57AE is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.3% C 0.138 H 274.8°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4C57AE
RGB	rgb(76, 87, 174)
HSL	hsl(233, 39%, 49%)
HSV	hsv(233, 56%, 68%)
CMYK	cmyk(56.3%, 50%, 0%, 31.8%)
CIE-LAB	lab(40.26, 21.73, -48.01)
CIE-LCH	lch(40.26, 52.70, 294.35°)
OKLab	oklab(49.33% 0.0115 -0.1371)
OKLCH	oklch(49.33% 0.138 274.8)
XYZ	xyz(14.0262, 11.4079, 41.4990)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C57AE #AEA34C

analogous

#4C88AE #4C57AE #724CAE

triadic

#4C57AE #AE4C57 #57AE4C

tetradic

#4C57AE #AE4C88 #AEA34C #4CAE72

square

#4C57AE #AE4C88 #AEA34C #4CAE72

split-complementary

#4C57AE #AE724C #88AE4C

monochromatic

#272C59 #394283 #4C57AE #757DC3 #9FA5D5

Accessibility & contrast

On white

6.40

#4C57AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#4C57AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C57AE

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C57AE	#FFFFFF	#000000	##FFFFFF
##4C57AE	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B63B1

Deuteranopia (green-blind)

#1D5BAC

Tritanopia (blue-blind)

#156A7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4c57ae;
/* rgb */ color: rgb(76, 87, 174);
/* oklch */ color: oklch(49.3% 0.138 274.8);

Tailwind

colors: {
  custom: {
    50: '#8686c7',
    500: '#4c57ae',
    950: '#000000',
  },
}

SCSS

$custom: #4c57ae;
$custom-light: #8686c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4c57ae",
  "rgb": {
    "r": 76,
    "g": 87,
    "b": 174
  },
  "hsl": {
    "h": 233.265,
    "s": 39.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49332,
    "c": 0.13757,
    "h": 274.8
  },
  "luminance": 0.11409
}

Semantic roles & 50–950 ramp

primary

#4C57AE

secondary

#C2BD94

accent

#C259CF

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4C57AE

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

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