#4238BF#4238BF

#4238BF is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.5% C 0.201 H 277.7°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#4238BF
RGB	rgb(66, 56, 191)
HSL	hsl(244, 55%, 48%)
HSV	hsv(244, 71%, 75%)
CMYK	cmyk(65.4%, 70.7%, 0%, 25.1%)
CIE-LAB	lab(33.45, 44.87, -69.13)
CIE-LCH	lch(33.45, 82.42, 302.99°)
OKLab	oklab(44.55% 0.0269 -0.1996)
OKLCH	oklch(44.55% 0.201 277.7)
XYZ	xyz(13.0619, 7.7471, 50.0871)
Luminance	0.0775 (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

#4238BF #B5BF38

analogous

#3872BF #4238BF #8538BF

triadic

#4238BF #BF4238 #38BF42

tetradic

#4238BF #BF3872 #B5BF38 #38BF85

square

#4238BF #BF3872 #B5BF38 #38BF85

split-complementary

#4238BF #BF8538 #72BF38

monochromatic

#211C60 #322A90 #4238BF #6B63D1 #9892DF

Accessibility & contrast

On white

8.24

#4238BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4238BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4238BF

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4238BF	#FFFFFF	#000000	##FFFFFF
##4238BF	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C3

Deuteranopia (green-blind)

#0049BC

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4238bf;
/* rgb */ color: rgb(66, 56, 191);
/* oklch */ color: oklch(44.5% 0.201 277.7);

Tailwind

colors: {
  custom: {
    50: '#8670d3',
    500: '#4238bf',
    950: '#000000',
  },
}

SCSS

$custom: #4238bf;
$custom-light: #8670d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4238bf",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 191
  },
  "hsl": {
    "h": 244.444,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44545,
    "c": 0.20139,
    "h": 277.7
  },
  "luminance": 0.07748
}

Semantic roles & 50–950 ramp

primary

#4238BF

secondary

#C5CA89

accent

#DE4AD3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4238BF

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

Preview Lab → · Contrast checker → · Palette generator →