#18575E#18575E

#18575E is a dark, moderate teal. Relative luminance 0.078; OKLCH L 42.1% C 0.063 H 205.8°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#18575E
RGB	rgb(24, 87, 94)
HSL	hsl(186, 59%, 23%)
HSV	hsv(186, 74%, 37%)
CMYK	cmyk(74.5%, 7.4%, 0%, 63.1%)
CIE-LAB	lab(33.60, -16.90, -9.81)
CIE-LCH	lch(33.60, 19.54, 210.13°)
OKLab	oklab(42.11% -0.0564 -0.0272)
OKLCH	oklch(42.11% 0.063 205.8)
XYZ	xyz(5.8044, 7.8181, 11.7906)
Luminance	0.0782 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18575E #5E1F18

analogous

#185E42 #18575E #18345E

triadic

#18575E #5E1857 #575E18

tetradic

#18575E #42185E #5E1F18 #345E18

square

#18575E #42185E #5E1F18 #345E18

split-complementary

#18575E #5E1834 #5E4218

monochromatic

#061718 #0C2A2D #18575E #24848F #31B1C0

Accessibility & contrast

On white

8.19

#18575E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#18575E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18575E

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18575E	#FFFFFF	#000000	##FFFFFF
##18575E	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F535E

Deuteranopia (green-blind)

#454C5E

Tritanopia (blue-blind)

#005B59

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #18575e;
/* rgb */ color: rgb(24, 87, 94);
/* oklch */ color: oklch(42.1% 0.063 205.8);

Tailwind

colors: {
  custom: {
    50: '#61868b',
    500: '#18575e',
    950: '#000000',
  },
}

SCSS

$custom: #18575e;
$custom-light: #61868b;
$custom-dark: #000000;

JSON

{
  "hex": "#18575e",
  "rgb": {
    "r": 24,
    "g": 87,
    "b": 94
  },
  "hsl": {
    "h": 186,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.42109,
    "c": 0.0626,
    "h": 205.8
  },
  "luminance": 0.07819
}

Semantic roles & 50–950 ramp

primary

#18575E

secondary

#94463D

accent

#5545E3

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#050B0C

muted

#7A7C7D

Preview Lab

Preview with #18575E

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

Preview Lab → · Contrast checker → · Palette generator →