#4238CC#4238CC

#4238CC is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.8% C 0.217 H 276.5°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#4238CC
RGB	rgb(66, 56, 204)
HSL	hsl(244, 59%, 51%)
HSV	hsv(244, 73%, 80%)
CMYK	cmyk(67.6%, 72.5%, 0%, 20%)
CIE-LAB	lab(34.69, 49.02, -74.69)
CIE-LCH	lch(34.69, 89.34, 303.28°)
OKLab	oklab(45.8% 0.0246 -0.2158)
OKLCH	oklch(45.8% 0.217 276.5)
XYZ	xyz(14.5565, 8.3449, 57.9587)
Luminance	0.0835 (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

#4238CC #C2CC38

analogous

#3878CC #4238CC #8C38CC

triadic

#4238CC #CC4238 #38CC42

tetradic

#4238CC #CC3878 #C2CC38 #38CC8C

square

#4238CC #CC3878 #C2CC38 #38CC8C

split-complementary

#4238CC #CC8C38 #78CC38

monochromatic

#221C6E #31299E #4238CC #7069D8 #9F99E5

Accessibility & contrast

On white

7.87

#4238CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#4238CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4238CC

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4238CC	#FFFFFF	#000000	##FFFFFF
##4238CC	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D0

Deuteranopia (green-blind)

#004BC9

Tritanopia (blue-blind)

#00627F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4238cc;
/* rgb */ color: rgb(66, 56, 204);
/* oklch */ color: oklch(45.8% 0.217 276.5);

Tailwind

colors: {
  custom: {
    50: '#8971dd',
    500: '#4238cc',
    950: '#000000',
  },
}

SCSS

$custom: #4238cc;
$custom-light: #8971dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4238cc",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 204
  },
  "hsl": {
    "h": 244.054,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.45804,
    "c": 0.21721,
    "h": 276.5
  },
  "luminance": 0.08346
}

Semantic roles & 50–950 ramp

primary

#4238CC

secondary

#CCD18F

accent

#E245D8

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4238CC

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

Preview Lab → · Contrast checker → · Palette generator →