#4737C9#4737C9

#4737C9 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.7% C 0.214 H 278.7°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#4737C9
RGB	rgb(71, 55, 201)
HSL	hsl(247, 57%, 50%)
HSV	hsv(247, 73%, 79%)
CMYK	cmyk(64.7%, 72.6%, 0%, 21.2%)
CIE-LAB	lab(34.58, 49.19, -73.12)
CIE-LCH	lch(34.58, 88.13, 303.93°)
OKLab	oklab(45.73% 0.0323 -0.2111)
OKLCH	oklch(45.73% 0.214 278.7)
XYZ	xyz(14.5040, 8.2878, 56.0824)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4737C9 #B9C937

analogous

#3770C9 #4737C9 #9037C9

triadic

#4737C9 #C94737 #37C947

tetradic

#4737C9 #C93770 #B9C937 #37C990

square

#4737C9 #C93770 #B9C937 #37C990

split-complementary

#4737C9 #C99037 #70C937

monochromatic

#251C69 #362999 #4737C9 #7367D6 #A097E3

Accessibility & contrast

On white

7.90

#4737C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#4737C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4737C9

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4737C9	#FFFFFF	#000000	##FFFFFF
##4737C9	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CD

Deuteranopia (green-blind)

#004BC6

Tritanopia (blue-blind)

#00607D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4737c9;
/* rgb */ color: rgb(71, 55, 201);
/* oklch */ color: oklch(45.7% 0.214 278.7);

Tailwind

colors: {
  custom: {
    50: '#8a70db',
    500: '#4737c9',
    950: '#000000',
  },
}

SCSS

$custom: #4737c9;
$custom-light: #8a70db;
$custom-dark: #000000;

JSON

{
  "hex": "#4737c9",
  "rgb": {
    "r": 71,
    "g": 55,
    "b": 201
  },
  "hsl": {
    "h": 246.575,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45729,
    "c": 0.21354,
    "h": 278.7
  },
  "luminance": 0.08289
}

Semantic roles & 50–950 ramp

primary

#4737C9

secondary

#C7CF8D

accent

#E147D0

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4737C9

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

Preview Lab → · Contrast checker → · Palette generator →