#1B5C4E#1B5C4E

#1B5C4E is a dark, moderate teal. Relative luminance 0.084; OKLCH L 43.0% C 0.069 H 175.6°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B5C4E
RGB	rgb(27, 92, 78)
HSL	hsl(167, 55%, 23%)
HSV	hsv(167, 71%, 36%)
CMYK	cmyk(70.7%, 0%, 15.2%, 63.9%)
CIE-LAB	lab(34.88, -24.12, 2.12)
CIE-LCH	lch(34.88, 24.21, 174.98°)
OKLab	oklab(42.99% -0.0687 0.0052)
OKLCH	oklch(42.99% 0.069 175.6)
XYZ	xyz(5.6536, 8.4367, 8.5367)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5C4E #5C1B29

analogous

#1B5C2D #1B5C4E #1B495C

triadic

#1B5C4E #4E1B5C #5C4E1B

tetradic

#1B5C4E #2D1B5C #5C1B29 #495C1B

square

#1B5C4E #2D1B5C #5C1B29 #495C1B

split-complementary

#1B5C4E #5C1B49 #5C2D1B

monochromatic

#071814 #0D2D26 #1B5C4E #298B76 #37BB9E

Accessibility & contrast

On white

7.81

#1B5C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1B5C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5C4E

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5C4E	#FFFFFF	#000000	##FFFFFF
##1B5C4E	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58564D

Deuteranopia (green-blind)

#4F4F4F

Tritanopia (blue-blind)

#005D58

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b5c4e;
/* rgb */ color: rgb(27, 92, 78);
/* oklch */ color: oklch(43.0% 0.069 175.6);

Tailwind

colors: {
  custom: {
    50: '#618a7f',
    500: '#1b5c4e',
    950: '#000000',
  },
}

SCSS

$custom: #1b5c4e;
$custom-light: #618a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5c4e",
  "rgb": {
    "r": 27,
    "g": 92,
    "b": 78
  },
  "hsl": {
    "h": 167.077,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.42991,
    "c": 0.06894,
    "h": 175.6
  },
  "luminance": 0.08437
}

Semantic roles & 50–950 ramp

primary

#1B5C4E

secondary

#924152

accent

#4A6ADE

background

#F6F8F7

surface

#EBF0EE

border

#C6CBC9

text

#050C0A

muted

#7A7D7C

Preview Lab

Preview with #1B5C4E

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

Preview Lab → · Contrast checker → · Palette generator →