#4238BC#4238BC

#4238BC is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.3% C 0.198 H 278.0°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#4238BC
RGB	rgb(66, 56, 188)
HSL	hsl(245, 54%, 48%)
HSV	hsv(245, 70%, 74%)
CMYK	cmyk(64.9%, 70.2%, 0%, 26.3%)
CIE-LAB	lab(33.17, 43.91, -67.82)
CIE-LCH	lch(33.17, 80.80, 302.92°)
OKLab	oklab(44.26% 0.0274 -0.1958)
OKLCH	oklch(44.26% 0.198 278)
XYZ	xyz(12.7351, 7.6164, 48.3662)
Luminance	0.0762 (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

#4238BC #B2BC38

analogous

#3870BC #4238BC #8438BC

triadic

#4238BC #BC4238 #38BC42

tetradic

#4238BC #BC3870 #B2BC38 #38BC84

square

#4238BC #BC3870 #B2BC38 #38BC84

split-complementary

#4238BC #BC8438 #70BC38

monochromatic

#211C5E #312A8D #4238BC #6A61D0 #9690DE

Accessibility & contrast

On white

8.32

#4238BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#4238BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4238BC

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4238BC	#FFFFFF	#000000	##FFFFFF
##4238BC	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C0

Deuteranopia (green-blind)

#0048BA

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4238bc;
/* rgb */ color: rgb(66, 56, 188);
/* oklch */ color: oklch(44.3% 0.198 278.0);

Tailwind

colors: {
  custom: {
    50: '#8670d1',
    500: '#4238bc',
    950: '#000000',
  },
}

SCSS

$custom: #4238bc;
$custom-light: #8670d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4238bc",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 188
  },
  "hsl": {
    "h": 244.545,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4426,
    "c": 0.19767,
    "h": 278
  },
  "luminance": 0.07617
}

Semantic roles & 50–950 ramp

primary

#4238BC

secondary

#C4C987

accent

#DD4AD2

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #4238BC

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

Preview Lab → · Contrast checker → · Palette generator →