#1D583B#1D583B

#1D583B is a dark, moderate teal. Relative luminance 0.076; OKLCH L 41.3% C 0.078 H 158.5°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#1D583B
RGB	rgb(29, 88, 59)
HSL	hsl(151, 50%, 23%)
HSV	hsv(151, 67%, 35%)
CMYK	cmyk(67%, 0%, 33%, 65.5%)
CIE-LAB	lab(33.04, -26.75, 11.33)
CIE-LCH	lch(33.04, 29.05, 157.05°)
OKLab	oklab(41.35% -0.073 0.0287)
OKLCH	oklch(41.35% 0.078 158.5)
XYZ	xyz(4.7854, 7.5559, 5.3431)
Luminance	0.0756 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D583B #581D3A

analogous

#1D581D #1D583B #1D5758

triadic

#1D583B #3B1D58 #583B1D

tetradic

#1D583B #1D1D58 #581D3A #57581D

square

#1D583B #1D1D58 #581D3A #57581D

split-complementary

#1D583B #581D57 #581D1D

monochromatic

#08170F #0E2A1C #1D583B #2C865A #3BB479

Accessibility & contrast

On white

8.36

#1D583B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1D583B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D583B

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D583B	#FFFFFF	#000000	##FFFFFF
##1D583B	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575139

Deuteranopia (green-blind)

#4F4B3D

Tritanopia (blue-blind)

#005750

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d583b;
/* rgb */ color: rgb(29, 88, 59);
/* oklch */ color: oklch(41.3% 0.078 158.5);

Tailwind

colors: {
  custom: {
    50: '#608871',
    500: '#1d583b',
    950: '#000000',
  },
}

SCSS

$custom: #1d583b;
$custom-light: #608871;
$custom-dark: #000000;

JSON

{
  "hex": "#1d583b",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 59
  },
  "hsl": {
    "h": 150.508,
    "s": 50.427,
    "l": 22.941
  },
  "oklch": {
    "l": 0.41345,
    "c": 0.07841,
    "h": 158.5
  },
  "luminance": 0.07556
}

Semantic roles & 50–950 ramp

primary

#1D583B

secondary

#8D4468

accent

#4E93DA

background

#F5F8F6

surface

#EAEFEC

border

#C6CAC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #1D583B

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

Preview Lab → · Contrast checker → · Palette generator →