#4231A4#4231A4

#4231A4 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 41.0% C 0.175 H 282.1°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#4231A4
RGB	rgb(66, 49, 164)
HSL	hsl(249, 54%, 42%)
HSV	hsv(249, 70%, 64%)
CMYK	cmyk(59.8%, 70.1%, 0%, 35.7%)
CIE-LAB	lab(29.50, 40.27, -59.53)
CIE-LCH	lch(29.50, 71.87, 304.08°)
OKLab	oklab(40.96% 0.0368 -0.1715)
OKLCH	oklch(40.96% 0.175 282.1)
XYZ	xyz(10.0438, 6.0345, 35.7503)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.95

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4231A4 #93A431

analogous

#3159A4 #4231A4 #7C31A4

triadic

#4231A4 #A44231 #31A442

tetradic

#4231A4 #A43159 #93A431 #31A47C

square

#4231A4 #A43159 #93A431 #31A47C

split-complementary

#4231A4 #A47C31 #59A431

monochromatic

#1C1546 #2F2375 #4231A4 #5C49C9 #8779D7

Accessibility & contrast

On white

9.52

#4231A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#4231A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4231A4

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4231A4	#FFFFFF	#000000	##FFFFFF
##4231A4	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A7

Deuteranopia (green-blind)

#0041A2

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #4231a4;
/* rgb */ color: rgb(66, 49, 164);
/* oklch */ color: oklch(41.0% 0.175 282.1);

Tailwind

colors: {
  custom: {
    50: '#826bc0',
    500: '#4231a4',
    950: '#000000',
  },
}

SCSS

$custom: #4231a4;
$custom-light: #826bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#4231a4",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 164
  },
  "hsl": {
    "h": 248.87,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40957,
    "c": 0.17536,
    "h": 282.1
  },
  "luminance": 0.06035
}

Semantic roles & 50–950 ramp

primary

#4231A4

secondary

#B4BF72

accent

#DD4AC8

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #4231A4

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

Preview Lab → · Contrast checker → · Palette generator →