#1C5563#1C5563

#1C5563 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 41.9% C 0.062 H 217.2°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#1C5563
RGB	rgb(28, 85, 99)
HSL	hsl(192, 56%, 25%)
HSV	hsv(192, 72%, 39%)
CMYK	cmyk(71.7%, 14.1%, 0%, 61.2%)
CIE-LAB	lab(33.23, -13.35, -13.51)
CIE-LCH	lch(33.23, 18.99, 225.33°)
OKLab	oklab(41.91% -0.0495 -0.0376)
OKLCH	oklch(41.91% 0.062 217.2)
XYZ	xyz(5.9786, 7.6441, 12.9623)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5563 #632A1C

analogous

#1C634E #1C5563 #1C3163

triadic

#1C5563 #631C55 #55631C

tetradic

#1C5563 #4E1C63 #632A1C #31631C

square

#1C5563 #4E1C63 #632A1C #31631C

split-complementary

#1C5563 #631C31 #634E1C

monochromatic

#071418 #0F2C33 #1C5563 #297E93 #37A7C2

Accessibility & contrast

On white

8.30

#1C5563 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1C5563 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5563

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5563	#FFFFFF	#000000	##FFFFFF
##1C5563	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	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: #1c5563;
/* rgb */ color: rgb(28, 85, 99);
/* oklch */ color: oklch(41.9% 0.062 217.2);

Tailwind

colors: {
  custom: {
    50: '#63858f',
    500: '#1c5563',
    950: '#000000',
  },
}

SCSS

$custom: #1c5563;
$custom-light: #63858f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5563",
  "rgb": {
    "r": 28,
    "g": 85,
    "b": 99
  },
  "hsl": {
    "h": 191.831,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.41908,
    "c": 0.06221,
    "h": 217.2
  },
  "luminance": 0.07645
}

Semantic roles & 50–950 ramp

primary

#1C5563

secondary

#985343

accent

#6649DF

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #1C5563

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

Preview Lab → · Contrast checker → · Palette generator →