#4238CB#4238CB

#4238CB is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.7% C 0.216 H 276.6°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#4238CB
RGB	rgb(66, 56, 203)
HSL	hsl(244, 59%, 51%)
HSV	hsv(244, 72%, 80%)
CMYK	cmyk(67.5%, 72.4%, 0%, 20.4%)
CIE-LAB	lab(34.59, 48.70, -74.27)
CIE-LCH	lch(34.59, 88.81, 303.25°)
OKLab	oklab(45.71% 0.0248 -0.2146)
OKLCH	oklch(45.71% 0.216 276.6)
XYZ	xyz(14.4369, 8.2971, 57.3290)
Luminance	0.0830 (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

#4238CB #C1CB38

analogous

#3877CB #4238CB #8C38CB

triadic

#4238CB #CB4238 #38CB42

tetradic

#4238CB #CB3877 #C1CB38 #38CB8C

square

#4238CB #CB3877 #C1CB38 #38CB8C

split-complementary

#4238CB #CB8C38 #77CB38

monochromatic

#221C6C #31299D #4238CB #7069D8 #9E99E4

Accessibility & contrast

On white

7.90

#4238CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#4238CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4238CB

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4238CB	#FFFFFF	#000000	##FFFFFF
##4238CB	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)

#0058CF

Deuteranopia (green-blind)

#004BC8

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4238cb;
/* rgb */ color: rgb(66, 56, 203);
/* oklch */ color: oklch(45.7% 0.216 276.6);

Tailwind

colors: {
  custom: {
    50: '#8971dc',
    500: '#4238cb',
    950: '#000000',
  },
}

SCSS

$custom: #4238cb;
$custom-light: #8971dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4238cb",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 203
  },
  "hsl": {
    "h": 244.082,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.45706,
    "c": 0.216,
    "h": 276.6
  },
  "luminance": 0.08298
}

Semantic roles & 50–950 ramp

primary

#4238CB

secondary

#CCD08F

accent

#E246D7

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4238CB

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

Preview Lab → · Contrast checker → · Palette generator →