#1B503D#1B503D

#1B503D is a dark, moderate teal. Relative luminance 0.063; OKLCH L 39.0% C 0.065 H 166.2°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#1B503D
RGB	rgb(27, 80, 61)
HSL	hsl(158, 50%, 21%)
HSV	hsv(158, 66%, 31%)
CMYK	cmyk(66.3%, 0%, 23.7%, 68.6%)
CIE-LAB	lab(30.17, -22.78, 6.07)
CIE-LCH	lch(30.17, 23.58, 165.07°)
OKLab	oklab(39% -0.0633 0.0156)
OKLCH	oklch(39% 0.065 166.2)
XYZ	xyz(4.1625, 6.3068, 5.4119)
Luminance	0.0631 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B503D #501B2E

analogous

#1B5022 #1B503D #1B4850

triadic

#1B503D #3D1B50 #503D1B

tetradic

#1B503D #221B50 #501B2E #48501B

square

#1B503D #221B50 #501B2E #48501B

split-complementary

#1B503D #501B48 #50221B

monochromatic

#081711 #0C221A #1B503D #2A7E60 #3AAC83

Accessibility & contrast

On white

9.29

#1B503D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1B503D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B503D

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B503D	#FFFFFF	#000000	##FFFFFF
##1B503D	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A3C

Deuteranopia (green-blind)

#47453E

Tritanopia (blue-blind)

#00504B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b503d;
/* rgb */ color: rgb(27, 80, 61);
/* oklch */ color: oklch(39.0% 0.065 166.2);

Tailwind

colors: {
  custom: {
    50: '#5e8172',
    500: '#1b503d',
    950: '#000000',
  },
}

SCSS

$custom: #1b503d;
$custom-light: #5e8172;
$custom-dark: #000000;

JSON

{
  "hex": "#1b503d",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 61
  },
  "hsl": {
    "h": 158.491,
    "s": 49.533,
    "l": 20.98
  },
  "oklch": {
    "l": 0.38998,
    "c": 0.06515,
    "h": 166.2
  },
  "luminance": 0.06307
}

Semantic roles & 50–950 ramp

primary

#1B503D

secondary

#86415A

accent

#4F80D9

background

#F5F7F6

surface

#E9EEEC

border

#C5C9C7

text

#050A08

muted

#797C7B

Preview Lab

Preview with #1B503D

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

Preview Lab → · Contrast checker → · Palette generator →