#4337A4#4337A4

#4337A4 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.0% C 0.168 H 281.3°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#4337A4
RGB	rgb(67, 55, 164)
HSL	hsl(247, 50%, 43%)
HSV	hsv(247, 66%, 64%)
CMYK	cmyk(59.1%, 66.5%, 0%, 35.7%)
CIE-LAB	lab(30.89, 36.88, -57.25)
CIE-LCH	lch(30.89, 68.10, 302.79°)
OKLab	oklab(41.98% 0.033 -0.1647)
OKLCH	oklch(41.98% 0.168 281.3)
XYZ	xyz(10.3797, 6.6053, 35.8428)
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

#4337A4 #98A437

analogous

#3761A4 #4337A4 #7A37A4

triadic

#4337A4 #A44337 #37A443

tetradic

#4337A4 #A43761 #98A437 #37A47A

square

#4337A4 #A43761 #98A437 #37A47A

split-complementary

#4337A4 #A47A37 #61A437

monochromatic

#1E1848 #302876 #4337A4 #6053C5 #8A81D5

Accessibility & contrast

On white

9.05

#4337A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#4337A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337A4

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4337A4	#FFFFFF	#000000	##FFFFFF
##4337A4	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)

#004DA7

Deuteranopia (green-blind)

#0045A2

Tritanopia (blue-blind)

#045368

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4337a4;
/* rgb */ color: rgb(67, 55, 164);
/* oklch */ color: oklch(42.0% 0.168 281.3);

Tailwind

colors: {
  custom: {
    50: '#826fc0',
    500: '#4337a4',
    950: '#000000',
  },
}

SCSS

$custom: #4337a4;
$custom-light: #826fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#4337a4",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 164
  },
  "hsl": {
    "h": 246.606,
    "s": 49.772,
    "l": 42.941
  },
  "oklch": {
    "l": 0.41981,
    "c": 0.16801,
    "h": 281.3
  },
  "luminance": 0.06606
}

Semantic roles & 50–950 ramp

primary

#4337A4

secondary

#B6BE79

accent

#D94FCA

background

#F8F6FB

surface

#F0ECF7

border

#CBC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #4337A4

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

Preview Lab → · Contrast checker → · Palette generator →