#4230AC#4230AC

#4230AC is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.6% C 0.187 H 281.2°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#4230AC
RGB	rgb(66, 48, 172)
HSL	hsl(249, 56%, 43%)
HSV	hsv(249, 72%, 67%)
CMYK	cmyk(61.6%, 72.1%, 0%, 32.5%)
CIE-LAB	lab(30.03, 43.36, -63.47)
CIE-LCH	lch(30.03, 76.86, 304.34°)
OKLab	oklab(41.57% 0.0361 -0.183)
OKLCH	oklch(41.57% 0.187 281.2)
XYZ	xyz(10.7478, 6.2499, 39.6617)
Luminance	0.0625 (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

#4230AC #9AAC30

analogous

#305CAC #4230AC #8030AC

triadic

#4230AC #AC4230 #30AC42

tetradic

#4230AC #AC305C #9AAC30 #30AC80

square

#4230AC #AC305C #9AAC30 #30AC80

split-complementary

#4230AC #AC8030 #5CAC30

monochromatic

#1D154C #30237C #4230AC #5F4CCD #8A7CDA

Accessibility & contrast

On white

9.33

#4230AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#4230AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4230AC

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4230AC	#FFFFFF	#000000	##FFFFFF
##4230AC	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB0

Deuteranopia (green-blind)

#0042AA

Tritanopia (blue-blind)

#00526B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #4230ac;
/* rgb */ color: rgb(66, 48, 172);
/* oklch */ color: oklch(41.6% 0.187 281.2);

Tailwind

colors: {
  custom: {
    50: '#836ac6',
    500: '#4230ac',
    950: '#000000',
  },
}

SCSS

$custom: #4230ac;
$custom-light: #836ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#4230ac",
  "rgb": {
    "r": 66,
    "g": 48,
    "b": 172
  },
  "hsl": {
    "h": 248.71,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41565,
    "c": 0.18651,
    "h": 281.2
  },
  "luminance": 0.06251
}

Semantic roles & 50–950 ramp

primary

#4230AC

secondary

#B8C375

accent

#E048CA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4230AC

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

Preview Lab → · Contrast checker → · Palette generator →