#43378E#43378E

#43378E is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.138 H 284.6°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#43378E
RGB	rgb(67, 55, 142)
HSL	hsl(248, 44%, 39%)
HSV	hsv(248, 61%, 56%)
CMYK	cmyk(52.8%, 61.3%, 0%, 44.3%)
CIE-LAB	lab(29.10, 29.73, -46.74)
CIE-LCH	lch(29.10, 55.40, 302.46°)
OKLab	oklab(40.12% 0.0348 -0.1339)
OKLCH	oklch(40.12% 0.138 284.6)
XYZ	xyz(8.5619, 5.8782, 26.2694)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43378E #828E37

analogous

#37568E #43378E #6E378E

triadic

#43378E #8E4337 #378E43

tetradic

#43378E #8E3756 #828E37 #378E6E

square

#43378E #8E3756 #828E37 #378E6E

split-complementary

#43378E #8E6E37 #568E37

monochromatic

#191536 #2E2662 #43378E #5949B9 #8176CA

Accessibility & contrast

On white

9.65

#43378E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#43378E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43378E

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43378E	#FFFFFF	#000000	##FFFFFF
##43378E	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004791

Deuteranopia (green-blind)

#00428C

Tritanopia (blue-blind)

#264B5D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #43378e;
/* rgb */ color: rgb(67, 55, 142);
/* oklch */ color: oklch(40.1% 0.138 284.6);

Tailwind

colors: {
  custom: {
    50: '#7e6eb0',
    500: '#43378e',
    950: '#000000',
  },
}

SCSS

$custom: #43378e;
$custom-light: #7e6eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#43378e",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 142
  },
  "hsl": {
    "h": 248.276,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40118,
    "c": 0.13831,
    "h": 284.6
  },
  "luminance": 0.05879
}

Semantic roles & 50–950 ramp

primary

#43378E

secondary

#A9B36E

accent

#D454C2

background

#F8F6FA

surface

#EFECF5

border

#CAC7CF

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #43378E

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

Preview Lab → · Contrast checker → · Palette generator →