#4238AC#4238AC

#4238AC is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.8% C 0.177 H 279.7°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#4238AC
RGB	rgb(66, 56, 172)
HSL	hsl(245, 51%, 45%)
HSV	hsv(245, 67%, 67%)
CMYK	cmyk(61.6%, 67.4%, 0%, 32.5%)
CIE-LAB	lab(31.73, 38.72, -60.69)
CIE-LCH	lch(31.73, 71.99, 302.54°)
OKLab	oklab(42.78% 0.0298 -0.1749)
OKLCH	oklch(42.78% 0.177 279.7)
XYZ	xyz(11.1050, 6.9643, 39.7808)
Luminance	0.0697 (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

#4238AC #A2AC38

analogous

#3868AC #4238AC #7C38AC

triadic

#4238AC #AC4238 #38AC42

tetradic

#4238AC #AC3868 #A2AC38 #38AC7C

square

#4238AC #AC3868 #A2AC38 #38AC7C

split-complementary

#4238AC #AC7C38 #68AC38

monochromatic

#1F1A50 #30297E #4238AC #6258C9 #8E87D8

Accessibility & contrast

On white

8.78

#4238AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#4238AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4238AC

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4238AC	#FFFFFF	#000000	##FFFFFF
##4238AC	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB0

Deuteranopia (green-blind)

#0046AA

Tritanopia (blue-blind)

#00566D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4238ac;
/* rgb */ color: rgb(66, 56, 172);
/* oklch */ color: oklch(42.8% 0.177 279.7);

Tailwind

colors: {
  custom: {
    50: '#8270c6',
    500: '#4238ac',
    950: '#000000',
  },
}

SCSS

$custom: #4238ac;
$custom-light: #8270c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4238ac",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 172
  },
  "hsl": {
    "h": 245.172,
    "s": 50.877,
    "l": 44.706
  },
  "oklch": {
    "l": 0.42778,
    "c": 0.17739,
    "h": 279.7
  },
  "luminance": 0.06965
}

Semantic roles & 50–950 ramp

primary

#4238AC

secondary

#BCC27E

accent

#DA4DCE

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4238AC

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

Preview Lab → · Contrast checker → · Palette generator →