#4A57CE#4A57CE

#4A57CE is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.6% C 0.182 H 273.4°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#4A57CE
RGB	rgb(74, 87, 206)
HSL	hsl(234, 57%, 55%)
HSV	hsv(234, 64%, 81%)
CMYK	cmyk(64.1%, 57.8%, 0%, 19.2%)
CIE-LAB	lab(42.35, 32.23, -63.30)
CIE-LCH	lch(42.35, 71.03, 296.99°)
OKLab	oklab(51.57% 0.0109 -0.1821)
OKLCH	oklch(51.57% 0.182 273.4)
XYZ	xyz(17.3691, 12.7270, 59.9218)
Luminance	0.1273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A57CE #CEC14A

analogous

#4A99CE #4A57CE #7F4ACE

triadic

#4A57CE #CE4A57 #57CE4A

tetradic

#4A57CE #CE4A99 #CEC14A #4ACE7F

square

#4A57CE #CE4A99 #CEC14A #4ACE7F

split-complementary

#4A57CE #CE7F4A #99CE4A

monochromatic

#222A7C #2F3BAC #4A57CE #7A84DB #AAB0E8

Accessibility & contrast

On white

5.92

#4A57CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#4A57CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A57CE

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A57CE	#FFFFFF	#000000	##FFFFFF
##4A57CE	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD2

Deuteranopia (green-blind)

#005ECC

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4a57ce;
/* rgb */ color: rgb(74, 87, 206);
/* oklch */ color: oklch(51.6% 0.182 273.4);

Tailwind

colors: {
  custom: {
    50: '#8a86de',
    500: '#4a57ce',
    950: '#000000',
  },
}

SCSS

$custom: #4a57ce;
$custom-light: #8a86de;
$custom-dark: #000000;

JSON

{
  "hex": "#4a57ce",
  "rgb": {
    "r": 74,
    "g": 87,
    "b": 206
  },
  "hsl": {
    "h": 234.091,
    "s": 57.391,
    "l": 54.902
  },
  "oklch": {
    "l": 0.5157,
    "c": 0.18244,
    "h": 273.4
  },
  "luminance": 0.12728
}

Semantic roles & 50–950 ramp

primary

#4A57CE

secondary

#D6D09E

accent

#D247E1

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4A57CE

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

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