#4238CF#4238CF

#4238CF is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.1% C 0.221 H 276.2°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#4238CF
RGB	rgb(66, 56, 207)
HSL	hsl(244, 61%, 52%)
HSV	hsv(244, 73%, 81%)
CMYK	cmyk(68.1%, 72.9%, 0%, 18.8%)
CIE-LAB	lab(34.98, 49.96, -75.95)
CIE-LCH	lch(34.98, 90.91, 303.34°)
OKLab	oklab(46.1% 0.024 -0.2195)
OKLCH	oklch(46.1% 0.221 276.2)
XYZ	xyz(14.9197, 8.4902, 59.8719)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.31

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4238CF #C5CF38

analogous

#3879CF #4238CF #8E38CF

triadic

#4238CF #CF4238 #38CF42

tetradic

#4238CF #CF3879 #C5CF38 #38CF8E

square

#4238CF #CF3879 #C5CF38 #38CF8E

split-complementary

#4238CF #CF8E38 #79CF38

monochromatic

#211B71 #2F27A3 #4238CF #7169DB #A09BE7

Accessibility & contrast

On white

7.78

#4238CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4238CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4238CF

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4238CF	#FFFFFF	#000000	##FFFFFF
##4238CF	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D3

Deuteranopia (green-blind)

#004CCC

Tritanopia (blue-blind)

#006380

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4238cf;
/* rgb */ color: rgb(66, 56, 207);
/* oklch */ color: oklch(46.1% 0.221 276.2);

Tailwind

colors: {
  custom: {
    50: '#8971df',
    500: '#4238cf',
    950: '#000000',
  },
}

SCSS

$custom: #4238cf;
$custom-light: #8971df;
$custom-dark: #000000;

JSON

{
  "hex": "#4238cf",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 207
  },
  "hsl": {
    "h": 243.974,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.461,
    "c": 0.22079,
    "h": 276.2
  },
  "luminance": 0.08492
}

Semantic roles & 50–950 ramp

primary

#4238CF

secondary

#CED390

accent

#E444DA

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4238CF

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

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