#4238BA#4238BA

#4238BA is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.1% C 0.195 H 278.2°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#4238BA
RGB	rgb(66, 56, 186)
HSL	hsl(245, 54%, 47%)
HSV	hsv(245, 70%, 73%)
CMYK	cmyk(64.5%, 69.9%, 0%, 27.1%)
CIE-LAB	lab(32.99, 43.27, -66.95)
CIE-LCH	lch(32.99, 79.71, 302.87°)
OKLab	oklab(44.07% 0.0277 -0.1932)
OKLCH	oklch(44.07% 0.195 278.2)
XYZ	xyz(12.5210, 7.5307, 47.2386)
Luminance	0.0753 (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

#4238BA #B0BA38

analogous

#386FBA #4238BA #8338BA

triadic

#4238BA #BA4238 #38BA42

tetradic

#4238BA #BA386F #B0BA38 #38BA83

square

#4238BA #BA386F #B0BA38 #38BA83

split-complementary

#4238BA #BA8338 #6FBA38

monochromatic

#211C5C #312A8B #4238BA #6960CF #958FDD

Accessibility & contrast

On white

8.38

#4238BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#4238BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4238BA

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4238BA	#FFFFFF	#000000	##FFFFFF
##4238BA	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BE

Deuteranopia (green-blind)

#0048B8

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4238ba;
/* rgb */ color: rgb(66, 56, 186);
/* oklch */ color: oklch(44.1% 0.195 278.2);

Tailwind

colors: {
  custom: {
    50: '#8570d0',
    500: '#4238ba',
    950: '#000000',
  },
}

SCSS

$custom: #4238ba;
$custom-light: #8570d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4238ba",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 186
  },
  "hsl": {
    "h": 244.615,
    "s": 53.719,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44071,
    "c": 0.19517,
    "h": 278.2
  },
  "luminance": 0.07532
}

Semantic roles & 50–950 ramp

primary

#4238BA

secondary

#C3C886

accent

#DD4BD2

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4238BA

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

Preview Lab → · Contrast checker → · Palette generator →