#4230B5#4230B5

#4230B5 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.4% C 0.198 H 280.0°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#4230B5
RGB	rgb(66, 48, 181)
HSL	hsl(248, 58%, 45%)
HSV	hsv(248, 73%, 71%)
CMYK	cmyk(63.5%, 73.5%, 0%, 29%)
CIE-LAB	lab(30.90, 46.17, -67.42)
CIE-LCH	lch(30.90, 81.71, 304.40°)
OKLab	oklab(42.44% 0.0342 -0.1945)
OKLCH	oklch(42.44% 0.198 280)
XYZ	xyz(11.6416, 6.6075, 44.3690)
Luminance	0.0661 (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

#4230B5 #A3B530

analogous

#3061B5 #4230B5 #8430B5

triadic

#4230B5 #B54230 #30B542

tetradic

#4230B5 #B53061 #A3B530 #30B584

square

#4230B5 #B53061 #A3B530 #30B584

split-complementary

#4230B5 #B58430 #61B530

monochromatic

#1F1654 #302385 #4230B5 #6351D1 #8E82DE

Accessibility & contrast

On white

9.05

#4230B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#4230B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4230B5

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4230B5	#FFFFFF	#000000	##FFFFFF
##4230B5	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB9

Deuteranopia (green-blind)

#0044B3

Tritanopia (blue-blind)

#005570

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4230b5;
/* rgb */ color: rgb(66, 48, 181);
/* oklch */ color: oklch(42.4% 0.198 280.0);

Tailwind

colors: {
  custom: {
    50: '#856bcc',
    500: '#4230b5',
    950: '#000000',
  },
}

SCSS

$custom: #4230b5;
$custom-light: #856bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#4230b5",
  "rgb": {
    "r": 66,
    "g": 48,
    "b": 181
  },
  "hsl": {
    "h": 248.12,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42438,
    "c": 0.19753,
    "h": 280
  },
  "luminance": 0.06608
}

Semantic roles & 50–950 ramp

primary

#4230B5

secondary

#BCC77A

accent

#E146CC

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4230B5

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

Preview Lab → · Contrast checker → · Palette generator →