#17858F#17858F

#17858F is a mid, moderate teal. Relative luminance 0.189; OKLCH L 56.5% C 0.091 H 204.6°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#17858F
RGB	rgb(23, 133, 143)
HSL	hsl(185, 72%, 33%)
HSV	hsv(185, 84%, 56%)
CMYK	cmyk(83.9%, 7%, 0%, 43.9%)
CIE-LAB	lab(50.62, -25.00, -13.70)
CIE-LCH	lch(50.62, 28.51, 208.72°)
OKLab	oklab(56.47% -0.0831 -0.0381)
OKLCH	oklch(56.47% 0.091 204.6)
XYZ	xyz(13.6966, 18.9386, 28.9149)
Luminance	0.1894 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17858F #8F2117

analogous

#178F5D #17858F #17498F

triadic

#17858F #8F1785 #858F17

tetradic

#17858F #5D178F #8F2117 #498F17

square

#17858F #5D178F #8F2117 #498F17

split-complementary

#17858F #8F1749 #8F5D17

monochromatic

#062326 #0F545A #17858F #1FB6C4 #40D3E0

Accessibility & contrast

On white

4.39

#17858F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#17858F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #17858F

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17858F	#FFFFFF	#000000	##000000
##17858F	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#797F90

Deuteranopia (green-blind)

#69748F

Tritanopia (blue-blind)

#008B88

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #17858f;
/* rgb */ color: rgb(23, 133, 143);
/* oklch */ color: oklch(56.5% 0.091 204.6);

Tailwind

colors: {
  custom: {
    50: '#6da9af',
    500: '#17858f',
    950: '#000000',
  },
}

SCSS

$custom: #17858f;
$custom-light: #6da9af;
$custom-dark: #000000;

JSON

{
  "hex": "#17858f",
  "rgb": {
    "r": 23,
    "g": 133,
    "b": 143
  },
  "hsl": {
    "h": 185,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56466,
    "c": 0.09144,
    "h": 204.6
  },
  "luminance": 0.1894
}

Semantic roles & 50–950 ramp

primary

#17858F

secondary

#C14C41

accent

#4839EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #17858F

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

Preview Lab → · Contrast checker → · Palette generator →