#4957CE#4957CE

#4957CE is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.5% C 0.183 H 273.1°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#4957CE
RGB	rgb(73, 87, 206)
HSL	hsl(234, 58%, 55%)
HSV	hsv(234, 65%, 81%)
CMYK	cmyk(64.6%, 57.8%, 0%, 19.2%)
CIE-LAB	lab(42.29, 32.08, -63.40)
CIE-LCH	lch(42.29, 71.05, 296.84°)
OKLab	oklab(51.51% 0.0099 -0.1824)
OKLCH	oklch(51.51% 0.183 273.1)
XYZ	xyz(17.2927, 12.6876, 59.9182)
Luminance	0.1269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4957CE #CEC049

analogous

#499ACE #4957CE #7D49CE

triadic

#4957CE #CE4957 #57CE49

tetradic

#4957CE #CE499A #CEC049 #49CE7D

square

#4957CE #CE499A #CEC049 #49CE7D

split-complementary

#4957CE #CE7D49 #9ACE49

monochromatic

#212B7B #2E3BAC #4957CE #7984DB #A9B0E8

Accessibility & contrast

On white

5.94

#4957CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#4957CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4957CE

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4957CE	#FFFFFF	#000000	##FFFFFF
##4957CE	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	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: #4957ce;
/* rgb */ color: rgb(73, 87, 206);
/* oklch */ color: oklch(51.5% 0.183 273.1);

Tailwind

colors: {
  custom: {
    50: '#8a86de',
    500: '#4957ce',
    950: '#000000',
  },
}

SCSS

$custom: #4957ce;
$custom-light: #8a86de;
$custom-dark: #000000;

JSON

{
  "hex": "#4957ce",
  "rgb": {
    "r": 73,
    "g": 87,
    "b": 206
  },
  "hsl": {
    "h": 233.684,
    "s": 57.576,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51509,
    "c": 0.1827,
    "h": 273.1
  },
  "luminance": 0.12689
}

Semantic roles & 50–950 ramp

primary

#4957CE

secondary

#D5D09D

accent

#D147E1

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4957CE

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

Preview Lab → · Contrast checker → · Palette generator →