#4337A5#4337A5

#4337A5 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.1% C 0.169 H 281.2°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#4337A5
RGB	rgb(67, 55, 165)
HSL	hsl(247, 50%, 43%)
HSV	hsv(247, 67%, 65%)
CMYK	cmyk(59.4%, 66.7%, 0%, 35.3%)
CIE-LAB	lab(30.98, 37.20, -57.71)
CIE-LCH	lch(30.98, 68.66, 302.81°)
OKLab	oklab(42.07% 0.0329 -0.1661)
OKLCH	oklch(42.07% 0.169 281.2)
XYZ	xyz(10.4703, 6.6416, 36.3202)
Luminance	0.0664 (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

#4337A5 #99A537

analogous

#3762A5 #4337A5 #7A37A5

triadic

#4337A5 #A54337 #37A543

tetradic

#4337A5 #A53762 #99A537 #37A57A

square

#4337A5 #A53762 #99A537 #37A57A

split-complementary

#4337A5 #A57A37 #62A537

monochromatic

#1E1849 #302877 #4337A5 #6053C6 #8A81D5

Accessibility & contrast

On white

9.02

#4337A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#4337A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337A5

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4337A5	#FFFFFF	#000000	##FFFFFF
##4337A5	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA8

Deuteranopia (green-blind)

#0045A3

Tritanopia (blue-blind)

#015369

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4337a5;
/* rgb */ color: rgb(67, 55, 165);
/* oklch */ color: oklch(42.1% 0.169 281.2);

Tailwind

colors: {
  custom: {
    50: '#826fc1',
    500: '#4337a5',
    950: '#000000',
  },
}

SCSS

$custom: #4337a5;
$custom-light: #826fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#4337a5",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 165
  },
  "hsl": {
    "h": 246.545,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.42069,
    "c": 0.16932,
    "h": 281.2
  },
  "luminance": 0.06642
}

Semantic roles & 50–950 ramp

primary

#4337A5

secondary

#B7BF79

accent

#DA4ECA

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #4337A5

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

Preview Lab → · Contrast checker → · Palette generator →