#4238B2#4238B2

#4238B2 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.3% C 0.185 H 279.0°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#4238B2
RGB	rgb(66, 56, 178)
HSL	hsl(245, 52%, 46%)
HSV	hsv(245, 69%, 70%)
CMYK	cmyk(62.9%, 68.5%, 0%, 30.2%)
CIE-LAB	lab(32.26, 40.68, -63.40)
CIE-LCH	lch(32.26, 75.33, 302.68°)
OKLab	oklab(43.33% 0.029 -0.1828)
OKLCH	oklch(43.33% 0.185 279)
XYZ	xyz(11.6943, 7.2000, 42.8843)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.07

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4238B2 #A8B238

analogous

#386BB2 #4238B2 #7F38B2

triadic

#4238B2 #B24238 #38B242

tetradic

#4238B2 #B2386B #A8B238 #38B27F

square

#4238B2 #B2386B #A8B238 #38B27F

split-complementary

#4238B2 #B27F38 #6BB238

monochromatic

#1F1B55 #312983 #4238B2 #655CCC #918ADA

Accessibility & contrast

On white

8.61

#4238B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#4238B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4238B2

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4238B2	#FFFFFF	#000000	##FFFFFF
##4238B2	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4238b2;
/* rgb */ color: rgb(66, 56, 178);
/* oklch */ color: oklch(43.3% 0.185 279.0);

Tailwind

colors: {
  custom: {
    50: '#8470ca',
    500: '#4238b2',
    950: '#000000',
  },
}

SCSS

$custom: #4238b2;
$custom-light: #8470ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4238b2",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 178
  },
  "hsl": {
    "h": 244.918,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43326,
    "c": 0.18509,
    "h": 279
  },
  "luminance": 0.07201
}

Semantic roles & 50–950 ramp

primary

#4238B2

secondary

#BFC581

accent

#DC4CD0

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4238B2

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

Preview Lab → · Contrast checker → · Palette generator →