#4957BB#4957BB

#4957BB is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.1% C 0.157 H 273.4°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#4957BB
RGB	rgb(73, 87, 187)
HSL	hsl(233, 46%, 51%)
HSV	hsv(233, 61%, 73%)
CMYK	cmyk(61%, 53.5%, 0%, 26.7%)
CIE-LAB	lab(40.93, 25.56, -54.58)
CIE-LCH	lch(40.93, 60.27, 295.09°)
OKLab	oklab(50.06% 0.0092 -0.1565)
OKLCH	oklch(50.06% 0.157 273.4)
XYZ	xyz(15.1225, 11.8195, 48.4885)
Luminance	0.1182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4957BB #BBAD49

analogous

#4990BB #4957BB #7449BB

triadic

#4957BB #BB4957 #57BB49

tetradic

#4957BB #BB4990 #BBAD49 #49BB74

square

#4957BB #BB4990 #BBAD49 #49BB74

split-complementary

#4957BB #BB7449 #90BB49

monochromatic

#252D64 #364191 #4957BB #7680CC #A2A9DC

Accessibility & contrast

On white

6.24

#4957BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4957BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4957BB

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4957BB	#FFFFFF	#000000	##FFFFFF
##4957BB	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1766BE

Deuteranopia (green-blind)

#005CB9

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4957bb;
/* rgb */ color: rgb(73, 87, 187);
/* oklch */ color: oklch(50.1% 0.157 273.4);

Tailwind

colors: {
  custom: {
    50: '#8686d0',
    500: '#4957bb',
    950: '#000000',
  },
}

SCSS

$custom: #4957bb;
$custom-light: #8686d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4957bb",
  "rgb": {
    "r": 73,
    "g": 87,
    "b": 187
  },
  "hsl": {
    "h": 232.632,
    "s": 45.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.50061,
    "c": 0.15676,
    "h": 273.4
  },
  "luminance": 0.11821
}

Semantic roles & 50–950 ramp

primary

#4957BB

secondary

#C9C397

accent

#C553D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4957BB

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

Preview Lab → · Contrast checker → · Palette generator →