#4230B4#4230B4

#4230B4 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.3% C 0.196 H 280.1°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#4230B4
RGB	rgb(66, 48, 180)
HSL	hsl(248, 58%, 45%)
HSV	hsv(248, 73%, 71%)
CMYK	cmyk(63.3%, 73.3%, 0%, 29.4%)
CIE-LAB	lab(30.80, 45.86, -66.99)
CIE-LCH	lch(30.80, 81.18, 304.40°)
OKLab	oklab(42.34% 0.0344 -0.1933)
OKLCH	oklch(42.34% 0.196 280.1)
XYZ	xyz(11.5393, 6.5666, 43.8306)
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

#4230B4 #A2B430

analogous

#3060B4 #4230B4 #8430B4

triadic

#4230B4 #B44230 #30B442

tetradic

#4230B4 #B43060 #A2B430 #30B484

square

#4230B4 #B43060 #A2B430 #30B484

split-complementary

#4230B4 #B48430 #60B430

monochromatic

#1F1653 #302384 #4230B4 #6251D1 #8E81DD

Accessibility & contrast

On white

9.08

#4230B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#4230B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4230B4

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4230B4	#FFFFFF	#000000	##FFFFFF
##4230B4	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)

#004DB8

Deuteranopia (green-blind)

#0043B2

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4230b4;
/* rgb */ color: rgb(66, 48, 180);
/* oklch */ color: oklch(42.3% 0.196 280.1);

Tailwind

colors: {
  custom: {
    50: '#856bcc',
    500: '#4230b4',
    950: '#000000',
  },
}

SCSS

$custom: #4230b4;
$custom-light: #856bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#4230b4",
  "rgb": {
    "r": 66,
    "g": 48,
    "b": 180
  },
  "hsl": {
    "h": 248.182,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.4234,
    "c": 0.19631,
    "h": 280.1
  },
  "luminance": 0.06567
}

Semantic roles & 50–950 ramp

primary

#4230B4

secondary

#BCC679

accent

#E147CC

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4230B4

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

Preview Lab → · Contrast checker → · Palette generator →