#4233A4#4233A4

#4233A4 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.3% C 0.173 H 281.7°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#4233A4
RGB	rgb(66, 51, 164)
HSL	hsl(248, 53%, 42%)
HSV	hsv(248, 69%, 64%)
CMYK	cmyk(59.8%, 68.9%, 0%, 35.7%)
CIE-LAB	lab(29.93, 39.10, -58.83)
CIE-LCH	lch(29.93, 70.64, 303.61°)
OKLab	oklab(41.26% 0.0351 -0.1694)
OKLCH	oklch(41.26% 0.173 281.7)
XYZ	xyz(10.1293, 6.2056, 35.7788)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.77

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4233A4 #95A433

analogous

#335CA4 #4233A4 #7B33A4

triadic

#4233A4 #A44233 #33A442

tetradic

#4233A4 #A4335C #95A433 #33A47B

square

#4233A4 #A4335C #95A433 #33A47B

split-complementary

#4233A4 #A47B33 #5CA433

monochromatic

#1C1647 #2F2475 #4233A4 #5D4DC8 #877BD6

Accessibility & contrast

On white

9.37

#4233A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#4233A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4233A4

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4233A4	#FFFFFF	#000000	##FFFFFF
##4233A4	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA7

Deuteranopia (green-blind)

#0042A2

Tritanopia (blue-blind)

#005167

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #4233a4;
/* rgb */ color: rgb(66, 51, 164);
/* oklch */ color: oklch(41.3% 0.173 281.7);

Tailwind

colors: {
  custom: {
    50: '#816cc0',
    500: '#4233a4',
    950: '#000000',
  },
}

SCSS

$custom: #4233a4;
$custom-light: #816cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#4233a4",
  "rgb": {
    "r": 66,
    "g": 51,
    "b": 164
  },
  "hsl": {
    "h": 247.965,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.41263,
    "c": 0.17302,
    "h": 281.7
  },
  "luminance": 0.06206
}

Semantic roles & 50–950 ramp

primary

#4233A4

secondary

#B5BF74

accent

#DC4CC9

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #4233A4

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

Preview Lab → · Contrast checker → · Palette generator →