#43537C#43537C

#43537C is a dark, moderate blue. Relative luminance 0.088; OKLCH L 44.7% C 0.071 H 267.3°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#43537C
RGB	rgb(67, 83, 124)
HSL	hsl(223, 30%, 37%)
HSV	hsv(223, 46%, 49%)
CMYK	cmyk(46%, 33.1%, 0%, 51.4%)
CIE-LAB	lab(35.66, 5.59, -25.17)
CIE-LCH	lch(35.66, 25.78, 282.52°)
OKLab	oklab(44.73% -0.0034 -0.0705)
OKLCH	oklch(44.73% 0.071 267.3)
XYZ	xyz(9.0449, 8.8345, 20.2935)
Luminance	0.0883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43537C #7C6C43

analogous

#436F7C #43537C #50437C

triadic

#43537C #7C4353 #537C43

tetradic

#43537C #7C436F #7C6C43 #437C50

square

#43537C #7C436F #7C6C43 #437C50

split-complementary

#43537C #7C5043 #6F7C43

monochromatic

#181E2D #2E3854 #43537C #586EA4 #7F90BA

Accessibility & contrast

On white

7.59

#43537C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#43537C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43537C

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43537C	#FFFFFF	#000000	##FFFFFF
##43537C	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44577E

Deuteranopia (green-blind)

#3F527B

Tritanopia (blue-blind)

#2E5C62

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #43537c;
/* rgb */ color: rgb(67, 83, 124);
/* oklch */ color: oklch(44.7% 0.071 267.3);

Tailwind

colors: {
  custom: {
    50: '#7a83a2',
    500: '#43537c',
    950: '#000000',
  },
}

SCSS

$custom: #43537c;
$custom-light: #7a83a2;
$custom-dark: #000000;

JSON

{
  "hex": "#43537c",
  "rgb": {
    "r": 67,
    "g": 83,
    "b": 124
  },
  "hsl": {
    "h": 223.158,
    "s": 29.843,
    "l": 37.451
  },
  "oklch": {
    "l": 0.44726,
    "c": 0.07062,
    "h": 267.3
  },
  "luminance": 0.08835
}

Semantic roles & 50–950 ramp

primary

#43537C

secondary

#A59876

accent

#AA62C6

background

#F7F7FA

surface

#EEEEF3

border

#C9C9CD

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #43537C

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

Preview Lab → · Contrast checker → · Palette generator →