#1B563B#1B563B

#1B563B is a dark, moderate teal. Relative luminance 0.072; OKLCH L 40.7% C 0.076 H 160.0°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B563B
RGB	rgb(27, 86, 59)
HSL	hsl(153, 52%, 22%)
HSV	hsv(153, 69%, 34%)
CMYK	cmyk(68.6%, 0%, 31.4%, 66.3%)
CIE-LAB	lab(32.27, -26.25, 10.26)
CIE-LCH	lch(32.27, 28.18, 158.66°)
OKLab	oklab(40.69% -0.0717 0.0261)
OKLCH	oklch(40.69% 0.076 160)
XYZ	xyz(4.5688, 7.2039, 5.2865)
Luminance	0.0720 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B563B #561B36

analogous

#1B561E #1B563B #1B5456

triadic

#1B563B #3B1B56 #563B1B

tetradic

#1B563B #1E1B56 #561B36 #54561B

square

#1B563B #1E1B56 #561B36 #54561B

split-complementary

#1B563B #561B54 #561E1B

monochromatic

#071710 #0C271B #1B563B #2A855B #38B37B

Accessibility & contrast

On white

8.60

#1B563B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1B563B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B563B

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B563B	#FFFFFF	#000000	##FFFFFF
##1B563B	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F39

Deuteranopia (green-blind)

#4D4A3D

Tritanopia (blue-blind)

#00564F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b563b;
/* rgb */ color: rgb(27, 86, 59);
/* oklch */ color: oklch(40.7% 0.076 160.0);

Tailwind

colors: {
  custom: {
    50: '#5f8671',
    500: '#1b563b',
    950: '#000000',
  },
}

SCSS

$custom: #1b563b;
$custom-light: #5f8671;
$custom-dark: #000000;

JSON

{
  "hex": "#1b563b",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 59
  },
  "hsl": {
    "h": 152.542,
    "s": 52.212,
    "l": 22.157
  },
  "oklch": {
    "l": 0.40693,
    "c": 0.07633,
    "h": 160
  },
  "luminance": 0.07204
}

Semantic roles & 50–950 ramp

primary

#1B563B

secondary

#8C4163

accent

#4C8EDC

background

#F5F8F6

surface

#EAEFEC

border

#C6CAC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #1B563B

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

Preview Lab → · Contrast checker → · Palette generator →