#43439E#43439E

#43439E is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.6% C 0.144 H 278.6°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#43439E
RGB	rgb(67, 67, 158)
HSL	hsl(240, 40%, 44%)
HSV	hsv(240, 58%, 62%)
CMYK	cmyk(57.6%, 57.6%, 0%, 38%)
CIE-LAB	lab(33.30, 27.36, -49.71)
CIE-LCH	lch(33.30, 56.74, 298.83°)
OKLab	oklab(43.6% 0.0215 -0.1425)
OKLCH	oklch(43.6% 0.144 278.6)
XYZ	xyz(10.4915, 7.6755, 33.2698)
Luminance	0.0768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43439E #9E9E43

analogous

#43719E #43439E #71439E

triadic

#43439E #9E4343 #439E43

tetradic

#43439E #9E4371 #9E9E43 #439E71

square

#43439E #9E4371 #9E9E43 #439E71

split-complementary

#43439E #9E7143 #719E43

monochromatic

#1F1F48 #313173 #43439E #6262BC #8D8DCF

Accessibility & contrast

On white

8.28

#43439E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#43439E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43439E

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43439E	#FFFFFF	#000000	##FFFFFF
##43439E	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A1

Deuteranopia (green-blind)

#004B9C

Tritanopia (blue-blind)

#10586A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #43439e;
/* rgb */ color: rgb(67, 67, 158);
/* oklch */ color: oklch(43.6% 0.144 278.6);

Tailwind

colors: {
  custom: {
    50: '#8077bb',
    500: '#43439e',
    950: '#000000',
  },
}

SCSS

$custom: #43439e;
$custom-light: #8077bb;
$custom-dark: #000000;

JSON

{
  "hex": "#43439e",
  "rgb": {
    "r": 67,
    "g": 67,
    "b": 158
  },
  "hsl": {
    "h": 240,
    "s": 40.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.43597,
    "c": 0.14415,
    "h": 278.6
  },
  "luminance": 0.07676
}

Semantic roles & 50–950 ramp

primary

#43439E

secondary

#BABA83

accent

#D057D0

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #43439E

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

Preview Lab → · Contrast checker → · Palette generator →