#4231B2#4231B2

#4231B2 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.3% C 0.193 H 280.2°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#4231B2
RGB	rgb(66, 49, 178)
HSL	hsl(248, 57%, 45%)
HSV	hsv(248, 72%, 70%)
CMYK	cmyk(62.9%, 72.5%, 0%, 30.2%)
CIE-LAB	lab(30.80, 44.69, -65.79)
CIE-LCH	lch(30.80, 79.53, 304.19°)
OKLab	oklab(42.29% 0.0342 -0.1898)
OKLCH	oklch(42.29% 0.193 280.2)
XYZ	xyz(11.3784, 6.5684, 42.7791)
Luminance	0.0657 (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

#4231B2 #A1B231

analogous

#3161B2 #4231B2 #8331B2

triadic

#4231B2 #B24231 #31B242

tetradic

#4231B2 #B23161 #A1B231 #31B283

square

#4231B2 #B23161 #A1B231 #31B283

split-complementary

#4231B2 #B28331 #61B231

monochromatic

#1E1752 #302482 #4231B2 #6251CF #8D81DC

Accessibility & contrast

On white

9.08

#4231B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#4231B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4231B2

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4231B2	#FFFFFF	#000000	##FFFFFF
##4231B2	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB6

Deuteranopia (green-blind)

#0044B0

Tritanopia (blue-blind)

#00556E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4231b2;
/* rgb */ color: rgb(66, 49, 178);
/* oklch */ color: oklch(42.3% 0.193 280.2);

Tailwind

colors: {
  custom: {
    50: '#846bca',
    500: '#4231b2',
    950: '#000000',
  },
}

SCSS

$custom: #4231b2;
$custom-light: #846bca;
$custom-dark: #000000;

JSON

{
  "hex": "#4231b2",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 178
  },
  "hsl": {
    "h": 247.907,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.42285,
    "c": 0.19283,
    "h": 280.2
  },
  "luminance": 0.06569
}

Semantic roles & 50–950 ramp

primary

#4231B2

secondary

#BBC579

accent

#E048CC

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4231B2

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

Preview Lab → · Contrast checker → · Palette generator →