#43479B#43479B

#43479B is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.1% C 0.134 H 277.3°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#43479B
RGB	rgb(67, 71, 155)
HSL	hsl(237, 40%, 44%)
HSV	hsv(237, 57%, 61%)
CMYK	cmyk(56.8%, 54.2%, 0%, 39.2%)
CIE-LAB	lab(34.12, 23.75, -46.57)
CIE-LCH	lch(34.12, 52.28, 297.02°)
OKLab	oklab(44.14% 0.0171 -0.1332)
OKLCH	oklch(44.14% 0.134 277.3)
XYZ	xyz(10.4825, 8.0656, 32.0084)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43479B #9B9743

analogous

#43739B #43479B #6B439B

triadic

#43479B #9B4347 #479B43

tetradic

#43479B #9B4373 #9B9743 #439B6B

square

#43479B #9B4373 #9B9743 #439B6B

split-complementary

#43479B #9B6B43 #739B43

monochromatic

#1E2046 #313370 #43479B #6165BB #8B8ECD

Accessibility & contrast

On white

8.04

#43479B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#43479B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43479B

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43479B	#FFFFFF	#000000	##FFFFFF
##43479B	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15549E

Deuteranopia (green-blind)

#004D99

Tritanopia (blue-blind)

#145A6A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #43479b;
/* rgb */ color: rgb(67, 71, 155);
/* oklch */ color: oklch(44.1% 0.134 277.3);

Tailwind

colors: {
  custom: {
    50: '#7f7ab9',
    500: '#43479b',
    950: '#000000',
  },
}

SCSS

$custom: #43479b;
$custom-light: #7f7ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#43479b",
  "rgb": {
    "r": 67,
    "g": 71,
    "b": 155
  },
  "hsl": {
    "h": 237.273,
    "s": 39.64,
    "l": 43.529
  },
  "oklch": {
    "l": 0.44142,
    "c": 0.13435,
    "h": 277.3
  },
  "luminance": 0.08066
}

Semantic roles & 50–950 ramp

primary

#43479B

secondary

#B8B682

accent

#CA58D0

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0911

muted

#7C7B80

Preview Lab

Preview with #43479B

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

Preview Lab → · Contrast checker → · Palette generator →