#4C57BD#4C57BD

#4C57BD is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.4% C 0.159 H 274.6°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#4C57BD
RGB	rgb(76, 87, 189)
HSL	hsl(234, 46%, 52%)
HSV	hsv(234, 60%, 74%)
CMYK	cmyk(59.8%, 54%, 0%, 25.9%)
CIE-LAB	lab(41.26, 26.79, -55.20)
CIE-LCH	lch(41.26, 61.36, 295.89°)
OKLab	oklab(50.4% 0.0126 -0.1583)
OKLCH	oklch(50.4% 0.159 274.6)
XYZ	xyz(15.5710, 12.0258, 49.6349)
Luminance	0.1203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C57BD #BDB24C

analogous

#4C90BD #4C57BD #7A4CBD

triadic

#4C57BD #BD4C57 #57BD4C

tetradic

#4C57BD #BD4C90 #BDB24C #4CBD7A

square

#4C57BD #BD4C90 #BDB24C #4CBD7A

split-complementary

#4C57BD #BD7A4C #90BD4C

monochromatic

#262D68 #374095 #4C57BD #7981CD #A5ABDE

Accessibility & contrast

On white

6.17

#4C57BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#4C57BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C57BD

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C57BD	#FFFFFF	#000000	##FFFFFF
##4C57BD	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1466C1

Deuteranopia (green-blind)

#005DBB

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4c57bd;
/* rgb */ color: rgb(76, 87, 189);
/* oklch */ color: oklch(50.4% 0.159 274.6);

Tailwind

colors: {
  custom: {
    50: '#8886d2',
    500: '#4c57bd',
    950: '#000000',
  },
}

SCSS

$custom: #4c57bd;
$custom-light: #8886d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4c57bd",
  "rgb": {
    "r": 76,
    "g": 87,
    "b": 189
  },
  "hsl": {
    "h": 234.159,
    "s": 46.122,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50402,
    "c": 0.15876,
    "h": 274.6
  },
  "luminance": 0.12027
}

Semantic roles & 50–950 ramp

primary

#4C57BD

secondary

#CBC69A

accent

#C952D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4C57BD

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

Preview Lab → · Contrast checker → · Palette generator →