#4238DD#4238DD

#4238DD is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 47.5% C 0.237 H 275.1°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#4238DD
RGB	rgb(66, 56, 221)
HSL	hsl(244, 71%, 54%)
HSV	hsv(244, 75%, 87%)
CMYK	cmyk(70.1%, 74.7%, 0%, 13.3%)
CIE-LAB	lab(36.38, 54.33, -81.72)
CIE-LCH	lch(36.38, 98.13, 303.61°)
OKLab	oklab(47.5% 0.0212 -0.2363)
OKLCH	oklch(47.5% 0.237 275.1)
XYZ	xyz(16.7078, 9.2055, 69.2889)
Luminance	0.0921 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.78

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4238DD #D3DD38

analogous

#3881DD #4238DD #9438DD

triadic

#4238DD #DD4238 #38DD42

tetradic

#4238DD #DD3881 #D3DD38 #38DD94

square

#4238DD #DD3881 #D3DD38 #38DD94

split-complementary

#4238DD #DD9438 #81DD38

monochromatic

#1D1784 #291FB8 #4238DD #746CE6 #A5A1EF

Accessibility & contrast

On white

7.39

#4238DD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#4238DD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4238DD

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4238DD	#FFFFFF	#000000	##FFFFFF
##4238DD	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DE2

Deuteranopia (green-blind)

#004EDA

Tritanopia (blue-blind)

#006888

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4238dd;
/* rgb */ color: rgb(66, 56, 221);
/* oklch */ color: oklch(47.5% 0.237 275.1);

Tailwind

colors: {
  custom: {
    50: '#8c71e9',
    500: '#4238dd',
    950: '#000000',
  },
}

SCSS

$custom: #4238dd;
$custom-light: #8c71e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4238dd",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 221
  },
  "hsl": {
    "h": 243.636,
    "s": 70.815,
    "l": 54.314
  },
  "oklch": {
    "l": 0.47502,
    "c": 0.23726,
    "h": 275.1
  },
  "luminance": 0.09207
}

Semantic roles & 50–950 ramp

primary

#4238DD

secondary

#D7DB95

accent

#EE3AE3

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4238DD

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

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