#4238BD#4238BD

#4238BD is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.4% C 0.199 H 277.9°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#4238BD
RGB	rgb(66, 56, 189)
HSL	hsl(245, 54%, 48%)
HSV	hsv(245, 70%, 74%)
CMYK	cmyk(65.1%, 70.4%, 0%, 25.9%)
CIE-LAB	lab(33.26, 44.23, -68.26)
CIE-LCH	lch(33.26, 81.34, 302.94°)
OKLab	oklab(44.36% 0.0273 -0.197)
OKLCH	oklch(44.36% 0.199 277.9)
XYZ	xyz(12.8433, 7.6597, 48.9359)
Luminance	0.0766 (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

#4238BD #B3BD38

analogous

#3871BD #4238BD #8438BD

triadic

#4238BD #BD4238 #38BD42

tetradic

#4238BD #BD3871 #B3BD38 #38BD84

square

#4238BD #BD3871 #B3BD38 #38BD84

split-complementary

#4238BD #BD8438 #71BD38

monochromatic

#211C5F #322A8E #4238BD #6A62D0 #9791DE

Accessibility & contrast

On white

8.29

#4238BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#4238BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4238BD

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4238BD	#FFFFFF	#000000	##FFFFFF
##4238BD	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C1

Deuteranopia (green-blind)

#0049BB

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4238bd;
/* rgb */ color: rgb(66, 56, 189);
/* oklch */ color: oklch(44.4% 0.199 277.9);

Tailwind

colors: {
  custom: {
    50: '#8670d2',
    500: '#4238bd',
    950: '#000000',
  },
}

SCSS

$custom: #4238bd;
$custom-light: #8670d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4238bd",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 189
  },
  "hsl": {
    "h": 244.511,
    "s": 54.286,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44355,
    "c": 0.19891,
    "h": 277.9
  },
  "luminance": 0.07661
}

Semantic roles & 50–950 ramp

primary

#4238BD

secondary

#C4C987

accent

#DE4AD3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #4238BD

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

Preview Lab → · Contrast checker → · Palette generator →