#4238CD#4238CD

#4238CD is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.9% C 0.218 H 276.4°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#4238CD
RGB	rgb(66, 56, 205)
HSL	hsl(244, 60%, 51%)
HSV	hsv(244, 73%, 80%)
CMYK	cmyk(67.8%, 72.7%, 0%, 19.6%)
CIE-LAB	lab(34.79, 49.33, -75.11)
CIE-LCH	lch(34.79, 89.86, 303.30°)
OKLab	oklab(45.9% 0.0244 -0.217)
OKLCH	oklch(45.9% 0.218 276.4)
XYZ	xyz(14.6768, 8.3931, 58.5923)
Luminance	0.0839 (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

#4238CD #C3CD38

analogous

#3878CD #4238CD #8C38CD

triadic

#4238CD #CD4238 #38CD42

tetradic

#4238CD #CD3878 #C3CD38 #38CD8C

square

#4238CD #CD3878 #C3CD38 #38CD8C

split-complementary

#4238CD #CD8C38 #78CD38

monochromatic

#211C6F #3028A0 #4238CD #7069D9 #9F9AE6

Accessibility & contrast

On white

7.84

#4238CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#4238CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4238CD

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4238CD	#FFFFFF	#000000	##FFFFFF
##4238CD	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D1

Deuteranopia (green-blind)

#004BCA

Tritanopia (blue-blind)

#00627F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4238cd;
/* rgb */ color: rgb(66, 56, 205);
/* oklch */ color: oklch(45.9% 0.218 276.4);

Tailwind

colors: {
  custom: {
    50: '#8971de',
    500: '#4238cd',
    950: '#000000',
  },
}

SCSS

$custom: #4238cd;
$custom-light: #8971de;
$custom-dark: #000000;

JSON

{
  "hex": "#4238cd",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 205
  },
  "hsl": {
    "h": 244.027,
    "s": 59.839,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45903,
    "c": 0.21841,
    "h": 276.4
  },
  "luminance": 0.08394
}

Semantic roles & 50–950 ramp

primary

#4238CD

secondary

#CDD18F

accent

#E345D8

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4238CD

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

Preview Lab → · Contrast checker → · Palette generator →