#4957CA#4957CA

#4957CA is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.2% C 0.177 H 273.2°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#4957CA
RGB	rgb(73, 87, 202)
HSL	hsl(233, 55%, 54%)
HSV	hsv(233, 64%, 79%)
CMYK	cmyk(63.9%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(41.99, 30.70, -61.57)
CIE-LCH	lch(41.99, 68.80, 296.51°)
OKLab	oklab(51.2% 0.0098 -0.1771)
OKLCH	oklch(51.2% 0.177 273.2)
XYZ	xyz(16.8130, 12.4957, 57.3916)
Luminance	0.1250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4957CA #CABC49

analogous

#4998CA #4957CA #7C49CA

triadic

#4957CA #CA4957 #57CA49

tetradic

#4957CA #CA4998 #CABC49 #49CA7C

square

#4957CA #CA4998 #CABC49 #49CA7C

split-complementary

#4957CA #CA7C49 #98CA49

monochromatic

#222C76 #303DA6 #4957CA #7883D8 #A8AFE6

Accessibility & contrast

On white

6.00

#4957CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#4957CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4957CA

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4957CA	#FFFFFF	#000000	##FFFFFF
##4957CA	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CE

Deuteranopia (green-blind)

#005EC8

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4957ca;
/* rgb */ color: rgb(73, 87, 202);
/* oklch */ color: oklch(51.2% 0.177 273.2);

Tailwind

colors: {
  custom: {
    50: '#8986db',
    500: '#4957ca',
    950: '#000000',
  },
}

SCSS

$custom: #4957ca;
$custom-light: #8986db;
$custom-dark: #000000;

JSON

{
  "hex": "#4957ca",
  "rgb": {
    "r": 73,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 233.488,
    "s": 54.894,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51196,
    "c": 0.17733,
    "h": 273.2
  },
  "luminance": 0.12497
}

Semantic roles & 50–950 ramp

primary

#4957CA

secondary

#D3CD9C

accent

#CE4ADE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4957CA

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

Preview Lab → · Contrast checker → · Palette generator →