#4233BE#4233BE

#4233BE is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.7% C 0.205 H 278.5°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#4233BE
RGB	rgb(66, 51, 190)
HSL	hsl(246, 58%, 47%)
HSV	hsv(246, 73%, 75%)
CMYK	cmyk(65.3%, 73.2%, 0%, 25.5%)
CIE-LAB	lab(32.35, 47.35, -70.35)
CIE-LCH	lch(32.35, 84.80, 303.94°)
OKLab	oklab(43.74% 0.0304 -0.2031)
OKLCH	oklch(43.74% 0.205 278.5)
XYZ	xyz(12.7219, 7.2426, 49.4328)
Luminance	0.0724 (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

#4233BE #AFBE33

analogous

#3369BE #4233BE #8833BE

triadic

#4233BE #BE4233 #33BE42

tetradic

#4233BE #BE3369 #AFBE33 #33BE88

square

#4233BE #BE3369 #AFBE33 #33BE88

split-complementary

#4233BE #BE8833 #69BE33

monochromatic

#20195E #31268E #4233BE #685BD3 #958BE0

Accessibility & contrast

On white

8.58

#4233BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#4233BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4233BE

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4233BE	#FFFFFF	#000000	##FFFFFF
##4233BE	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C2

Deuteranopia (green-blind)

#0046BB

Tritanopia (blue-blind)

#005A76

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4233be;
/* rgb */ color: rgb(66, 51, 190);
/* oklch */ color: oklch(43.7% 0.205 278.5);

Tailwind

colors: {
  custom: {
    50: '#866dd3',
    500: '#4233be',
    950: '#000000',
  },
}

SCSS

$custom: #4233be;
$custom-light: #866dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4233be",
  "rgb": {
    "r": 66,
    "g": 51,
    "b": 190
  },
  "hsl": {
    "h": 246.475,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43735,
    "c": 0.20537,
    "h": 278.5
  },
  "luminance": 0.07244
}

Semantic roles & 50–950 ramp

primary

#4233BE

secondary

#C2CA83

accent

#E147D0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4233BE

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

Preview Lab → · Contrast checker → · Palette generator →