#43398B#43398B

#43398B is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.131 H 284.4°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#43398B
RGB	rgb(67, 57, 139)
HSL	hsl(247, 42%, 38%)
HSV	hsv(247, 59%, 55%)
CMYK	cmyk(51.8%, 59%, 0%, 45.5%)
CIE-LAB	lab(29.37, 27.48, -44.46)
CIE-LCH	lch(29.37, 52.26, 301.72°)
OKLab	oklab(40.24% 0.0326 -0.1271)
OKLCH	oklch(40.24% 0.131 284.4)
XYZ	xyz(8.4367, 5.9832, 25.1314)
Luminance	0.0598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43398B #818B39

analogous

#39588B #43398B #6C398B

triadic

#43398B #8B4339 #398B43

tetradic

#43398B #8B3958 #818B39 #398B6C

square

#43398B #8B3958 #818B39 #398B6C

split-complementary

#43398B #8B6C39 #588B39

monochromatic

#191534 #2E2760 #43398B #594CB5 #8177C7

Accessibility & contrast

On white

9.56

#43398B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#43398B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43398B

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43398B	#FFFFFF	#000000	##FFFFFF
##43398B	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00488E

Deuteranopia (green-blind)

#004389

Tritanopia (blue-blind)

#284C5C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #43398b;
/* rgb */ color: rgb(67, 57, 139);
/* oklch */ color: oklch(40.2% 0.131 284.4);

Tailwind

colors: {
  custom: {
    50: '#7d70ad',
    500: '#43398b',
    950: '#000000',
  },
}

SCSS

$custom: #43398b;
$custom-light: #7d70ad;
$custom-dark: #000000;

JSON

{
  "hex": "#43398b",
  "rgb": {
    "r": 67,
    "g": 57,
    "b": 139
  },
  "hsl": {
    "h": 247.317,
    "s": 41.837,
    "l": 38.431
  },
  "oklch": {
    "l": 0.40243,
    "c": 0.13124,
    "h": 284.4
  },
  "luminance": 0.05984
}

Semantic roles & 50–950 ramp

primary

#43398B

secondary

#A9B06F

accent

#D256C3

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #43398B

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

Preview Lab → · Contrast checker → · Palette generator →