#1D536A#1D536A

#1D536A is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 41.7% C 0.068 H 229.8°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#1D536A
RGB	rgb(29, 83, 106)
HSL	hsl(198, 57%, 26%)
HSV	hsv(198, 73%, 42%)
CMYK	cmyk(72.6%, 21.7%, 0%, 58.4%)
CIE-LAB	lab(32.89, -9.46, -18.42)
CIE-LCH	lch(32.89, 20.71, 242.81°)
OKLab	oklab(41.75% -0.0436 -0.0516)
OKLCH	oklch(41.75% 0.068 229.8)
XYZ	xyz(6.2004, 7.4876, 14.7514)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D536A #6A341D

analogous

#1D6A5B #1D536A #1D2D6A

triadic

#1D536A #6A1D53 #536A1D

tetradic

#1D536A #5B1D6A #6A341D #2D6A1D

square

#1D536A #5B1D6A #6A341D #2D6A1D

split-complementary

#1D536A #6A1D2D #6A5B1D

monochromatic

#071318 #102D3A #1D536A #2A799A #399EC9

Accessibility & contrast

On white

8.41

#1D536A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1D536A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D536A

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D536A	#FFFFFF	#000000	##FFFFFF
##1D536A	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47526B

Deuteranopia (green-blind)

#3D4A6A

Tritanopia (blue-blind)

#00595B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d536a;
/* rgb */ color: rgb(29, 83, 106);
/* oklch */ color: oklch(41.7% 0.068 229.8);

Tailwind

colors: {
  custom: {
    50: '#648394',
    500: '#1d536a',
    950: '#000000',
  },
}

SCSS

$custom: #1d536a;
$custom-light: #648394;
$custom-dark: #000000;

JSON

{
  "hex": "#1d536a",
  "rgb": {
    "r": 29,
    "g": 83,
    "b": 106
  },
  "hsl": {
    "h": 197.922,
    "s": 57.037,
    "l": 26.471
  },
  "oklch": {
    "l": 0.41746,
    "c": 0.06761,
    "h": 229.8
  },
  "luminance": 0.07488
}

Semantic roles & 50–950 ramp

primary

#1D536A

secondary

#9F5F44

accent

#7548E0

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1D536A

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

Preview Lab → · Contrast checker → · Palette generator →