#4537CC#4537CC

#4537CC is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.9% C 0.218 H 277.7°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#4537CC
RGB	rgb(69, 55, 204)
HSL	hsl(246, 59%, 51%)
HSV	hsv(246, 73%, 80%)
CMYK	cmyk(66.2%, 73%, 0%, 20%)
CIE-LAB	lab(34.71, 49.89, -74.64)
CIE-LCH	lch(34.71, 89.78, 303.76°)
OKLab	oklab(45.88% 0.029 -0.2156)
OKLCH	oklch(45.88% 0.218 277.7)
XYZ	xyz(14.7160, 8.3560, 57.9524)
Luminance	0.0836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.05

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4537CC #BECC37

analogous

#3773CC #4537CC #9037CC

triadic

#4537CC #CC4537 #37CC45

tetradic

#4537CC #CC3773 #BECC37 #37CC90

square

#4537CC #CC3773 #BECC37 #37CC90

split-complementary

#4537CC #CC9037 #73CC37

monochromatic

#231C6D #33289E #4537CC #7268D8 #A099E5

Accessibility & contrast

On white

7.86

#4537CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#4537CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537CC

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4537CC	#FFFFFF	#000000	##FFFFFF
##4537CC	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D0

Deuteranopia (green-blind)

#004BC9

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4537cc;
/* rgb */ color: rgb(69, 55, 204);
/* oklch */ color: oklch(45.9% 0.218 277.7);

Tailwind

colors: {
  custom: {
    50: '#8a70dd',
    500: '#4537cc',
    950: '#000000',
  },
}

SCSS

$custom: #4537cc;
$custom-light: #8a70dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4537cc",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 204
  },
  "hsl": {
    "h": 245.638,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.45876,
    "c": 0.21755,
    "h": 277.7
  },
  "luminance": 0.08357
}

Semantic roles & 50–950 ramp

primary

#4537CC

secondary

#CAD08E

accent

#E345D4

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4537CC

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

Preview Lab → · Contrast checker → · Palette generator →