#1B5D4E#1B5D4E

#1B5D4E is a dark, moderate teal. Relative luminance 0.086; OKLCH L 43.3% C 0.070 H 174.6°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#1B5D4E
RGB	rgb(27, 93, 78)
HSL	hsl(166, 55%, 24%)
HSV	hsv(166, 71%, 36%)
CMYK	cmyk(71%, 0%, 16.1%, 63.5%)
CIE-LAB	lab(35.22, -24.62, 2.62)
CIE-LCH	lch(35.22, 24.76, 173.92°)
OKLab	oklab(43.28% -0.0699 0.0066)
OKLCH	oklch(43.28% 0.07 174.6)
XYZ	xyz(5.7408, 8.6111, 8.5658)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5D4E #5D1B2A

analogous

#1B5D2D #1B5D4E #1B4B5D

triadic

#1B5D4E #4E1B5D #5D4E1B

tetradic

#1B5D4E #2D1B5D #5D1B2A #4B5D1B

square

#1B5D4E #2D1B5D #5D1B2A #4B5D1B

split-complementary

#1B5D4E #5D1B4B #5D2D1B

monochromatic

#071814 #0D2E26 #1B5D4E #298C76 #37BC9E

Accessibility & contrast

On white

7.71

#1B5D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1B5D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5D4E

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5D4E	#FFFFFF	#000000	##FFFFFF
##1B5D4E	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A574D

Deuteranopia (green-blind)

#50504F

Tritanopia (blue-blind)

#005E59

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1b5d4e;
/* rgb */ color: rgb(27, 93, 78);
/* oklch */ color: oklch(43.3% 0.070 174.6);

Tailwind

colors: {
  custom: {
    50: '#618b7f',
    500: '#1b5d4e',
    950: '#000000',
  },
}

SCSS

$custom: #1b5d4e;
$custom-light: #618b7f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5d4e",
  "rgb": {
    "r": 27,
    "g": 93,
    "b": 78
  },
  "hsl": {
    "h": 166.364,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.43275,
    "c": 0.07024,
    "h": 174.6
  },
  "luminance": 0.08612
}

Semantic roles & 50–950 ramp

primary

#1B5D4E

secondary

#934154

accent

#496BDE

background

#F6F8F7

surface

#EBF0EE

border

#C6CBC9

text

#050C0A

muted

#7A7D7C

Preview Lab

Preview with #1B5D4E

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

Preview Lab → · Contrast checker → · Palette generator →