#4957CC#4957CC

#4957CC is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.4% C 0.180 H 273.1°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#4957CC
RGB	rgb(73, 87, 204)
HSL	hsl(234, 56%, 54%)
HSV	hsv(234, 64%, 80%)
CMYK	cmyk(64.2%, 57.4%, 0%, 20%)
CIE-LAB	lab(42.14, 31.39, -62.48)
CIE-LCH	lch(42.14, 69.93, 296.67°)
OKLab	oklab(51.35% 0.0098 -0.1797)
OKLCH	oklch(51.35% 0.18 273.1)
XYZ	xyz(17.0513, 12.5910, 58.6468)
Luminance	0.1259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4957CC #CCBE49

analogous

#4999CC #4957CC #7D49CC

triadic

#4957CC #CC4957 #57CC49

tetradic

#4957CC #CC4999 #CCBE49 #49CC7D

square

#4957CC #CC4999 #CCBE49 #49CC7D

split-complementary

#4957CC #CC7D49 #99CC49

monochromatic

#222B79 #2F3CA9 #4957CC #7983D9 #A9AFE7

Accessibility & contrast

On white

5.97

#4957CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#4957CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4957CC

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4957CC	#FFFFFF	#000000	##FFFFFF
##4957CC	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D0

Deuteranopia (green-blind)

#005ECA

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4957cc;
/* rgb */ color: rgb(73, 87, 204);
/* oklch */ color: oklch(51.4% 0.180 273.1);

Tailwind

colors: {
  custom: {
    50: '#8a86dc',
    500: '#4957cc',
    950: '#000000',
  },
}

SCSS

$custom: #4957cc;
$custom-light: #8a86dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4957cc",
  "rgb": {
    "r": 73,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 233.588,
    "s": 56.223,
    "l": 54.314
  },
  "oklch": {
    "l": 0.51352,
    "c": 0.18002,
    "h": 273.1
  },
  "luminance": 0.12592
}

Semantic roles & 50–950 ramp

primary

#4957CC

secondary

#D4CE9D

accent

#CF48E0

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4957CC

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

Preview Lab → · Contrast checker → · Palette generator →