#4957D1#4957D1

#4957D1 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.7% C 0.187 H 273.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4957D1
RGB	rgb(73, 87, 209)
HSL	hsl(234, 60%, 55%)
HSV	hsv(234, 65%, 82%)
CMYK	cmyk(65.1%, 58.4%, 0%, 18%)
CIE-LAB	lab(42.51, 33.10, -64.76)
CIE-LCH	lch(42.51, 72.73, 297.08°)
OKLab	oklab(51.75% 0.0099 -0.1864)
OKLCH	oklch(51.75% 0.187 273)
XYZ	xyz(17.6606, 12.8347, 61.8559)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4957D1 #D1C349

analogous

#499BD1 #4957D1 #7F49D1

triadic

#4957D1 #D14957 #57D149

tetradic

#4957D1 #D1499B #D1C349 #49D17F

square

#4957D1 #D1499B #D1C349 #49D17F

split-complementary

#4957D1 #D17F49 #9BD149

monochromatic

#202A7F #2D3AB0 #4957D1 #7A84DD #ABB1EA

Accessibility & contrast

On white

5.89

#4957D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4957D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4957D1

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4957D1	#FFFFFF	#000000	##FFFFFF
##4957D1	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD5

Deuteranopia (green-blind)

#005ECF

Tritanopia (blue-blind)

#00758B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4957d1;
/* rgb */ color: rgb(73, 87, 209);
/* oklch */ color: oklch(51.7% 0.187 273.0);

Tailwind

colors: {
  custom: {
    50: '#8a86e0',
    500: '#4957d1',
    950: '#000000',
  },
}

SCSS

$custom: #4957d1;
$custom-light: #8a86e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4957d1",
  "rgb": {
    "r": 73,
    "g": 87,
    "b": 209
  },
  "hsl": {
    "h": 233.824,
    "s": 59.649,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51746,
    "c": 0.18669,
    "h": 273
  },
  "luminance": 0.12836
}

Semantic roles & 50–950 ramp

primary

#4957D1

secondary

#D7D19E

accent

#D345E3

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4957D1

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

Preview Lab → · Contrast checker → · Palette generator →