#185B51#185B51

#185B51 is a dark, moderate teal. Relative luminance 0.083; OKLCH L 42.7% C 0.068 H 180.9°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#185B51
RGB	rgb(24, 91, 81)
HSL	hsl(171, 58%, 23%)
HSV	hsv(171, 74%, 36%)
CMYK	cmyk(73.6%, 0%, 11%, 64.3%)
CIE-LAB	lab(34.54, -23.25, -0.26)
CIE-LCH	lch(34.54, 23.25, 180.63°)
OKLab	oklab(42.72% -0.0675 -0.0011)
OKLCH	oklch(42.72% 0.068 180.9)
XYZ	xyz(5.6023, 8.2698, 9.0840)
Luminance	0.0827 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#185B51 #5B1822

analogous

#185B30 #185B51 #18435B

triadic

#185B51 #51185B #5B5118

tetradic

#185B51 #30185B #5B1822 #435B18

square

#185B51 #30185B #5B1822 #435B18

split-complementary

#185B51 #5B1843 #5B3018

monochromatic

#061816 #0B2B26 #185B51 #258B7C #32BCA7

Accessibility & contrast

On white

7.91

#185B51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#185B51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #185B51

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##185B51	#FFFFFF	#000000	##FFFFFF
##185B51	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575551

Deuteranopia (green-blind)

#4D4E52

Tritanopia (blue-blind)

#005D58

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #185b51;
/* rgb */ color: rgb(24, 91, 81);
/* oklch */ color: oklch(42.7% 0.068 180.9);

Tailwind

colors: {
  custom: {
    50: '#608a81',
    500: '#185b51',
    950: '#000000',
  },
}

SCSS

$custom: #185b51;
$custom-light: #608a81;
$custom-dark: #000000;

JSON

{
  "hex": "#185b51",
  "rgb": {
    "r": 24,
    "g": 91,
    "b": 81
  },
  "hsl": {
    "h": 171.045,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.42722,
    "c": 0.06755,
    "h": 180.9
  },
  "luminance": 0.0827
}

Semantic roles & 50–950 ramp

primary

#185B51

secondary

#923D4A

accent

#465DE1

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #185B51

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

Preview Lab → · Contrast checker → · Palette generator →