#4233A2#4233A2

#4233A2 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.1% C 0.170 H 282.0°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#4233A2
RGB	rgb(66, 51, 162)
HSL	hsl(248, 52%, 42%)
HSV	hsv(248, 69%, 64%)
CMYK	cmyk(59.3%, 68.5%, 0%, 36.5%)
CIE-LAB	lab(29.75, 38.46, -57.91)
CIE-LCH	lch(29.75, 69.52, 303.59°)
OKLab	oklab(41.08% 0.0354 -0.1667)
OKLCH	oklch(41.08% 0.17 282)
XYZ	xyz(9.9502, 6.1339, 34.8350)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4233A2 #93A233

analogous

#335CA2 #4233A2 #7A33A2

triadic

#4233A2 #A24233 #33A242

tetradic

#4233A2 #A2335C #93A233 #33A27A

square

#4233A2 #A2335C #93A233 #33A27A

split-complementary

#4233A2 #A27A33 #5CA233

monochromatic

#1C1645 #2F2473 #4233A2 #5C4CC7 #877AD5

Accessibility & contrast

On white

9.43

#4233A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#4233A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4233A2

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4233A2	#FFFFFF	#000000	##FFFFFF
##4233A2	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)

#004AA5

Deuteranopia (green-blind)

#0042A0

Tritanopia (blue-blind)

#045066

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #4233a2;
/* rgb */ color: rgb(66, 51, 162);
/* oklch */ color: oklch(41.1% 0.170 282.0);

Tailwind

colors: {
  custom: {
    50: '#816cbe',
    500: '#4233a2',
    950: '#000000',
  },
}

SCSS

$custom: #4233a2;
$custom-light: #816cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#4233a2",
  "rgb": {
    "r": 66,
    "g": 51,
    "b": 162
  },
  "hsl": {
    "h": 248.108,
    "s": 52.113,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4108,
    "c": 0.17045,
    "h": 282
  },
  "luminance": 0.06135
}

Semantic roles & 50–950 ramp

primary

#4233A2

secondary

#B4BE73

accent

#DC4CC8

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #4233A2

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

Preview Lab → · Contrast checker → · Palette generator →