#4337CC#4337CC

#4337CC is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.7% C 0.218 H 277.0°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#4337CC
RGB	rgb(67, 55, 204)
HSL	hsl(245, 59%, 51%)
HSV	hsv(245, 73%, 80%)
CMYK	cmyk(67.2%, 73%, 0%, 20%)
CIE-LAB	lab(34.57, 49.67, -74.89)
CIE-LCH	lch(34.57, 89.87, 303.55°)
OKLab	oklab(45.74% 0.0265 -0.2164)
OKLCH	oklch(45.74% 0.218 277)
XYZ	xyz(14.5765, 8.2840, 57.9458)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.27

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4337CC #C0CC37

analogous

#3775CC #4337CC #8D37CC

triadic

#4337CC #CC4337 #37CC43

tetradic

#4337CC #CC3775 #C0CC37 #37CC8D

square

#4337CC #CC3775 #C0CC37 #37CC8D

split-complementary

#4337CC #CC8D37 #75CC37

monochromatic

#221C6D #32289E #4337CC #7168D8 #9F99E5

Accessibility & contrast

On white

7.90

#4337CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#4337CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337CC

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4337CC	#FFFFFF	#000000	##FFFFFF
##4337CC	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)

#0057D0

Deuteranopia (green-blind)

#004BC9

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4337cc;
/* rgb */ color: rgb(67, 55, 204);
/* oklch */ color: oklch(45.7% 0.218 277.0);

Tailwind

colors: {
  custom: {
    50: '#8970dd',
    500: '#4337cc',
    950: '#000000',
  },
}

SCSS

$custom: #4337cc;
$custom-light: #8970dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4337cc",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 204
  },
  "hsl": {
    "h": 244.832,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.45735,
    "c": 0.21797,
    "h": 277
  },
  "luminance": 0.08285
}

Semantic roles & 50–950 ramp

primary

#4337CC

secondary

#CBD08E

accent

#E345D6

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4337CC

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

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