#4230B8#4230B8

#4230B8 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.7% C 0.201 H 279.6°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#4230B8
RGB	rgb(66, 48, 184)
HSL	hsl(248, 59%, 45%)
HSV	hsv(248, 74%, 72%)
CMYK	cmyk(64.1%, 73.9%, 0%, 27.8%)
CIE-LAB	lab(31.19, 47.10, -68.72)
CIE-LCH	lch(31.19, 83.31, 304.43°)
OKLab	oklab(42.73% 0.0336 -0.1983)
OKLCH	oklch(42.73% 0.201 279.6)
XYZ	xyz(11.9527, 6.7319, 46.0076)
Luminance	0.0673 (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

#4230B8 #A6B830

analogous

#3062B8 #4230B8 #8630B8

triadic

#4230B8 #B84230 #30B842

tetradic

#4230B8 #B83062 #A6B830 #30B886

square

#4230B8 #B83062 #A6B830 #30B886

split-complementary

#4230B8 #B88630 #62B830

monochromatic

#1F1757 #312387 #4230B8 #6453D2 #9084DF

Accessibility & contrast

On white

8.95

#4230B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#4230B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4230B8

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4230B8	#FFFFFF	#000000	##FFFFFF
##4230B8	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBC

Deuteranopia (green-blind)

#0044B6

Tritanopia (blue-blind)

#005671

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4230b8;
/* rgb */ color: rgb(66, 48, 184);
/* oklch */ color: oklch(42.7% 0.201 279.6);

Tailwind

colors: {
  custom: {
    50: '#856bcf',
    500: '#4230b8',
    950: '#000000',
  },
}

SCSS

$custom: #4230b8;
$custom-light: #856bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#4230b8",
  "rgb": {
    "r": 66,
    "g": 48,
    "b": 184
  },
  "hsl": {
    "h": 247.941,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42733,
    "c": 0.20116,
    "h": 279.6
  },
  "luminance": 0.06733
}

Semantic roles & 50–950 ramp

primary

#4230B8

secondary

#BEC87C

accent

#E246CD

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4230B8

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

Preview Lab → · Contrast checker → · Palette generator →