#4957CB#4957CB

#4957CB is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.3% C 0.179 H 273.2°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4957CB
RGB	rgb(73, 87, 203)
HSL	hsl(234, 56%, 54%)
HSV	hsv(234, 64%, 80%)
CMYK	cmyk(64%, 57.1%, 0%, 20.4%)
CIE-LAB	lab(42.07, 31.05, -62.03)
CIE-LCH	lch(42.07, 69.36, 296.59°)
OKLab	oklab(51.27% 0.0098 -0.1784)
OKLCH	oklch(51.27% 0.179 273.2)
XYZ	xyz(16.9318, 12.5432, 58.0171)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4957CB #CBBD49

analogous

#4998CB #4957CB #7C49CB

triadic

#4957CB #CB4957 #57CB49

tetradic

#4957CB #CB4998 #CBBD49 #49CB7C

square

#4957CB #CB4998 #CBBD49 #49CB7C

split-complementary

#4957CB #CB7C49 #98CB49

monochromatic

#222B77 #303DA7 #4957CB #7983D9 #A8AFE6

Accessibility & contrast

On white

5.98

#4957CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4957CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4957CB

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4957CB	#FFFFFF	#000000	##FFFFFF
##4957CB	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4957cb;
/* rgb */ color: rgb(73, 87, 203);
/* oklch */ color: oklch(51.3% 0.179 273.2);

Tailwind

colors: {
  custom: {
    50: '#8986dc',
    500: '#4957cb',
    950: '#000000',
  },
}

SCSS

$custom: #4957cb;
$custom-light: #8986dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4957cb",
  "rgb": {
    "r": 73,
    "g": 87,
    "b": 203
  },
  "hsl": {
    "h": 233.538,
    "s": 55.556,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51274,
    "c": 0.17867,
    "h": 273.2
  },
  "luminance": 0.12545
}

Semantic roles & 50–950 ramp

primary

#4957CB

secondary

#D4CE9C

accent

#CF49DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4957CB

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

Preview Lab → · Contrast checker → · Palette generator →