#1D5563#1D5563

#1D5563 is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 41.9% C 0.062 H 217.4°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#1D5563
RGB	rgb(29, 85, 99)
HSL	hsl(192, 55%, 25%)
HSV	hsv(192, 71%, 39%)
CMYK	cmyk(70.7%, 14.1%, 0%, 61.2%)
CIE-LAB	lab(33.26, -13.18, -13.46)
CIE-LCH	lch(33.26, 18.83, 225.61°)
OKLab	oklab(41.94% -0.0489 -0.0375)
OKLCH	oklch(41.94% 0.062 217.4)
XYZ	xyz(6.0064, 7.6584, 12.9636)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5563 #632B1D

analogous

#1D634E #1D5563 #1D3263

triadic

#1D5563 #631D55 #55631D

tetradic

#1D5563 #4E1D63 #632B1D #32631D

square

#1D5563 #4E1D63 #632B1D #32631D

split-complementary

#1D5563 #631D32 #634E1D

monochromatic

#071418 #0F2C34 #1D5563 #2B7E92 #39A6C2

Accessibility & contrast

On white

8.29

#1D5563 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1D5563 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5563

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5563	#FFFFFF	#000000	##FFFFFF
##1D5563	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5264

Deuteranopia (green-blind)

#424B63

Tritanopia (blue-blind)

#005A59

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d5563;
/* rgb */ color: rgb(29, 85, 99);
/* oklch */ color: oklch(41.9% 0.062 217.4);

Tailwind

colors: {
  custom: {
    50: '#63858f',
    500: '#1d5563',
    950: '#000000',
  },
}

SCSS

$custom: #1d5563;
$custom-light: #63858f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5563",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 99
  },
  "hsl": {
    "h": 192,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.41941,
    "c": 0.06164,
    "h": 217.4
  },
  "luminance": 0.07659
}

Semantic roles & 50–950 ramp

primary

#1D5563

secondary

#985544

accent

#674ADE

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #1D5563

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

Preview Lab → · Contrast checker → · Palette generator →