#4537CB#4537CB

#4537CB is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.8% C 0.216 H 277.8°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#4537CB
RGB	rgb(69, 55, 203)
HSL	hsl(246, 59%, 51%)
HSV	hsv(246, 73%, 80%)
CMYK	cmyk(66%, 72.9%, 0%, 20.4%)
CIE-LAB	lab(34.62, 49.58, -74.22)
CIE-LCH	lch(34.62, 89.26, 303.74°)
OKLab	oklab(45.78% 0.0292 -0.2144)
OKLCH	oklch(45.78% 0.216 277.8)
XYZ	xyz(14.5964, 8.3081, 57.3228)
Luminance	0.0831 (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

#4537CB #BDCB37

analogous

#3773CB #4537CB #8F37CB

triadic

#4537CB #CB4537 #37CB45

tetradic

#4537CB #CB3773 #BDCB37 #37CB8F

square

#4537CB #CB3773 #BDCB37 #37CB8F

split-complementary

#4537CB #CB8F37 #73CB37

monochromatic

#241C6C #34299C #4537CB #7268D8 #9F98E4

Accessibility & contrast

On white

7.89

#4537CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#4537CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537CB

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4537CB	#FFFFFF	#000000	##FFFFFF
##4537CB	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CF

Deuteranopia (green-blind)

#004BC8

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4537cb;
/* rgb */ color: rgb(69, 55, 203);
/* oklch */ color: oklch(45.8% 0.216 277.8);

Tailwind

colors: {
  custom: {
    50: '#8a70dc',
    500: '#4537cb',
    950: '#000000',
  },
}

SCSS

$custom: #4537cb;
$custom-light: #8a70dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4537cb",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 203
  },
  "hsl": {
    "h": 245.676,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45778,
    "c": 0.21635,
    "h": 277.8
  },
  "luminance": 0.08309
}

Semantic roles & 50–950 ramp

primary

#4537CB

secondary

#CAD08E

accent

#E246D3

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4537CB

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

Preview Lab → · Contrast checker → · Palette generator →