#4230A9#4230A9

#4230A9 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.3% C 0.183 H 281.6°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#4230A9
RGB	rgb(66, 48, 169)
HSL	hsl(249, 56%, 43%)
HSV	hsv(249, 72%, 66%)
CMYK	cmyk(60.9%, 71.6%, 0%, 33.7%)
CIE-LAB	lab(29.75, 42.42, -62.13)
CIE-LCH	lch(29.75, 75.23, 304.32°)
OKLab	oklab(41.28% 0.0367 -0.1791)
OKLCH	oklch(41.28% 0.183 281.6)
XYZ	xyz(10.4629, 6.1360, 38.1614)
Luminance	0.0614 (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

#4230A9 #97A930

analogous

#305AA9 #4230A9 #7F30A9

triadic

#4230A9 #A94230 #30A942

tetradic

#4230A9 #A9305A #97A930 #30A97F

square

#4230A9 #A9305A #97A930 #30A97F

split-complementary

#4230A9 #A97F30 #5AA930

monochromatic

#1D154A #2F2279 #4230A9 #5E4ACC #887AD9

Accessibility & contrast

On white

9.43

#4230A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#4230A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4230A9

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4230A9	#FFFFFF	#000000	##FFFFFF
##4230A9	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAD

Deuteranopia (green-blind)

#0042A7

Tritanopia (blue-blind)

#005169

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #4230a9;
/* rgb */ color: rgb(66, 48, 169);
/* oklch */ color: oklch(41.3% 0.183 281.6);

Tailwind

colors: {
  custom: {
    50: '#836ac4',
    500: '#4230a9',
    950: '#000000',
  },
}

SCSS

$custom: #4230a9;
$custom-light: #836ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#4230a9",
  "rgb": {
    "r": 66,
    "g": 48,
    "b": 169
  },
  "hsl": {
    "h": 248.926,
    "s": 55.76,
    "l": 42.549
  },
  "oklch": {
    "l": 0.41279,
    "c": 0.18278,
    "h": 281.6
  },
  "luminance": 0.06137
}

Semantic roles & 50–950 ramp

primary

#4230A9

secondary

#B6C273

accent

#DF49C9

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4230A9

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

Preview Lab → · Contrast checker → · Palette generator →