#4C57BE#4C57BE

#4C57BE is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.5% C 0.160 H 274.5°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#4C57BE
RGB	rgb(76, 87, 190)
HSL	hsl(234, 47%, 52%)
HSV	hsv(234, 60%, 75%)
CMYK	cmyk(60%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(41.33, 27.13, -55.68)
CIE-LCH	lch(41.33, 61.93, 295.98°)
OKLab	oklab(50.48% 0.0127 -0.1596)
OKLCH	oklch(50.48% 0.16 274.5)
XYZ	xyz(15.6799, 12.0694, 50.2086)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C57BE #BEB34C

analogous

#4C90BE #4C57BE #7A4CBE

triadic

#4C57BE #BE4C57 #57BE4C

tetradic

#4C57BE #BE4C90 #BEB34C #4CBE7A

square

#4C57BE #BE4C90 #BEB34C #4CBE7A

split-complementary

#4C57BE #BE7A4C #90BE4C

monochromatic

#262D69 #374096 #4C57BE #7981CE #A6ABDF

Accessibility & contrast

On white

6.15

#4C57BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#4C57BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C57BE

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C57BE	#FFFFFF	#000000	##FFFFFF
##4C57BE	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1267C2

Deuteranopia (green-blind)

#005DBC

Tritanopia (blue-blind)

#006F82

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4c57be;
/* rgb */ color: rgb(76, 87, 190);
/* oklch */ color: oklch(50.5% 0.160 274.5);

Tailwind

colors: {
  custom: {
    50: '#8986d2',
    500: '#4c57be',
    950: '#000000',
  },
}

SCSS

$custom: #4c57be;
$custom-light: #8986d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4c57be",
  "rgb": {
    "r": 76,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 234.211,
    "s": 46.721,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50476,
    "c": 0.16015,
    "h": 274.5
  },
  "luminance": 0.12071
}

Semantic roles & 50–950 ramp

primary

#4C57BE

secondary

#CCC79A

accent

#CA51D6

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4C57BE

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

Preview Lab → · Contrast checker → · Palette generator →