#1D3545#1D3545

#1D3545 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.7% C 0.042 H 239.1°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#1D3545
RGB	rgb(29, 53, 69)
HSL	hsl(204, 41%, 19%)
HSV	hsv(204, 58%, 27%)
CMYK	cmyk(58%, 23.2%, 0%, 72.9%)
CIE-LAB	lab(20.97, -3.95, -12.80)
CIE-LCH	lch(20.97, 13.40, 252.87°)
OKLab	oklab(31.7% -0.0213 -0.0357)
OKLCH	oklch(31.7% 0.042 239.1)
XYZ	xyz(2.8536, 3.2369, 6.1035)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3545 #452D1D

analogous

#1D4541 #1D3545 #1D2145

triadic

#1D3545 #451D35 #35451D

tetradic

#1D3545 #411D45 #452D1D #21451D

square

#1D3545 #411D45 #452D1D #21451D

split-complementary

#1D3545 #451D21 #45411D

monochromatic

#091116 #0B141A #1D3545 #2F5670 #41779B

Accessibility & contrast

On white

12.75

#1D3545 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1D3545 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3545

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3545	#FFFFFF	#000000	##FFFFFF
##1D3545	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3546

Deuteranopia (green-blind)

#283145

Tritanopia (blue-blind)

#07393A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d3545;
/* rgb */ color: rgb(29, 53, 69);
/* oklch */ color: oklch(31.7% 0.042 239.1);

Tailwind

colors: {
  custom: {
    50: '#5c6c78',
    500: '#1d3545',
    950: '#000000',
  },
}

SCSS

$custom: #1d3545;
$custom-light: #5c6c78;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3545",
  "rgb": {
    "r": 29,
    "g": 53,
    "b": 69
  },
  "hsl": {
    "h": 204,
    "s": 40.816,
    "l": 19.216
  },
  "oklch": {
    "l": 0.31696,
    "c": 0.04156,
    "h": 239.1
  },
  "luminance": 0.03237
}

Semantic roles & 50–950 ramp

primary

#1D3545

secondary

#7A5944

accent

#8857D1

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #1D3545

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

Preview Lab → · Contrast checker → · Palette generator →