#1F573B#1F573B

#1F573B is a dark, moderate teal. Relative luminance 0.074; OKLCH L 41.1% C 0.076 H 158.5°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#1F573B
RGB	rgb(31, 87, 59)
HSL	hsl(150, 47%, 23%)
HSV	hsv(150, 64%, 34%)
CMYK	cmyk(64.4%, 0%, 32.2%, 65.9%)
CIE-LAB	lab(32.75, -25.80, 10.94)
CIE-LCH	lch(32.75, 28.03, 157.02°)
OKLab	oklab(41.13% -0.0705 0.0278)
OKLCH	oklch(41.13% 0.076 158.5)
XYZ	xyz(4.7623, 7.4230, 5.3186)
Luminance	0.0742 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F573B #571F3B

analogous

#1F571F #1F573B #1F5757

triadic

#1F573B #3B1F57 #573B1F

tetradic

#1F573B #1F1F57 #571F3B #57571F

square

#1F573B #1F1F57 #571F3B #57571F

split-complementary

#1F573B #571F57 #571F1F

monochromatic

#08170F #0F2A1C #1F573B #2F845A #3FB178

Accessibility & contrast

On white

8.45

#1F573B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1F573B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F573B

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F573B	#FFFFFF	#000000	##FFFFFF
##1F573B	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565039

Deuteranopia (green-blind)

#4E4B3D

Tritanopia (blue-blind)

#075650

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1f573b;
/* rgb */ color: rgb(31, 87, 59);
/* oklch */ color: oklch(41.1% 0.076 158.5);

Tailwind

colors: {
  custom: {
    50: '#618771',
    500: '#1f573b',
    950: '#000000',
  },
}

SCSS

$custom: #1f573b;
$custom-light: #618771;
$custom-dark: #000000;

JSON

{
  "hex": "#1f573b",
  "rgb": {
    "r": 31,
    "g": 87,
    "b": 59
  },
  "hsl": {
    "h": 150,
    "s": 47.458,
    "l": 23.137
  },
  "oklch": {
    "l": 0.41127,
    "c": 0.07575,
    "h": 158.5
  },
  "luminance": 0.07423
}

Semantic roles & 50–950 ramp

primary

#1F573B

secondary

#8C4669

accent

#5194D7

background

#F5F8F6

surface

#EAEFEC

border

#C6CAC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #1F573B

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

Preview Lab → · Contrast checker → · Palette generator →