#1F5563#1F5563

#1F5563 is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.0% C 0.060 H 217.9°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F5563
RGB	rgb(31, 85, 99)
HSL	hsl(192, 52%, 25%)
HSV	hsv(192, 69%, 39%)
CMYK	cmyk(68.7%, 14.1%, 0%, 61.2%)
CIE-LAB	lab(33.33, -12.81, -13.35)
CIE-LCH	lch(33.33, 18.50, 226.19°)
OKLab	oklab(42.01% -0.0477 -0.0372)
OKLCH	oklch(42.01% 0.06 217.9)
XYZ	xyz(6.0648, 7.6885, 12.9664)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5563 #632D1F

analogous

#1F634F #1F5563 #1F3363

triadic

#1F5563 #631F55 #55631F

tetradic

#1F5563 #4F1F63 #632D1F #33631F

square

#1F5563 #4F1F63 #632D1F #33631F

split-complementary

#1F5563 #631F33 #634F1F

monochromatic

#071417 #102D34 #1F5563 #2E7D92 #3CA5C0

Accessibility & contrast

On white

8.27

#1F5563 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1F5563 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5563

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5563	#FFFFFF	#000000	##FFFFFF
##1F5563	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	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: #1f5563;
/* rgb */ color: rgb(31, 85, 99);
/* oklch */ color: oklch(42.0% 0.060 217.9);

Tailwind

colors: {
  custom: {
    50: '#64858f',
    500: '#1f5563',
    950: '#000000',
  },
}

SCSS

$custom: #1f5563;
$custom-light: #64858f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5563",
  "rgb": {
    "r": 31,
    "g": 85,
    "b": 99
  },
  "hsl": {
    "h": 192.353,
    "s": 52.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.42011,
    "c": 0.06046,
    "h": 217.9
  },
  "luminance": 0.07689
}

Semantic roles & 50–950 ramp

primary

#1F5563

secondary

#985746

accent

#6A4CDC

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #1F5563

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

Preview Lab → · Contrast checker → · Palette generator →