#43378C#43378C

#43378C is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.0% C 0.136 H 284.9°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#43378C
RGB	rgb(67, 55, 140)
HSL	hsl(248, 44%, 38%)
HSV	hsv(248, 61%, 55%)
CMYK	cmyk(52.1%, 60.7%, 0%, 45.1%)
CIE-LAB	lab(28.95, 29.08, -45.76)
CIE-LCH	lch(28.95, 54.21, 302.44°)
OKLab	oklab(39.96% 0.0349 -0.131)
OKLCH	oklch(39.96% 0.136 284.9)
XYZ	xyz(8.4131, 5.8187, 25.4857)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43378C #808C37

analogous

#37558C #43378C #6D378C

triadic

#43378C #8C4337 #378C43

tetradic

#43378C #8C3755 #808C37 #378C6D

square

#43378C #8C3755 #808C37 #378C6D

split-complementary

#43378C #8C6D37 #558C37

monochromatic

#191434 #2E2660 #43378C #5849B7 #8175C9

Accessibility & contrast

On white

9.71

#43378C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#43378C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43378C

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43378C	#FFFFFF	#000000	##FFFFFF
##43378C	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478F

Deuteranopia (green-blind)

#00428A

Tritanopia (blue-blind)

#274B5C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #43378c;
/* rgb */ color: rgb(67, 55, 140);
/* oklch */ color: oklch(40.0% 0.136 284.9);

Tailwind

colors: {
  custom: {
    50: '#7e6eae',
    500: '#43378c',
    950: '#000000',
  },
}

SCSS

$custom: #43378c;
$custom-light: #7e6eae;
$custom-dark: #000000;

JSON

{
  "hex": "#43378c",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 140
  },
  "hsl": {
    "h": 248.471,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39957,
    "c": 0.13553,
    "h": 284.9
  },
  "luminance": 0.05819
}

Semantic roles & 50–950 ramp

primary

#43378C

secondary

#A8B16D

accent

#D354C1

background

#F8F6FA

surface

#EFECF4

border

#CAC7CE

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #43378C

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

Preview Lab → · Contrast checker → · Palette generator →