#178B98#178B98

#178B98 is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.4% C 0.095 H 207.0°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#178B98
RGB	rgb(23, 139, 152)
HSL	hsl(186, 74%, 34%)
HSV	hsv(186, 85%, 60%)
CMYK	cmyk(84.9%, 8.6%, 0%, 40.4%)
CIE-LAB	lab(52.85, -25.08, -15.54)
CIE-LCH	lch(52.85, 29.51, 211.78°)
OKLab	oklab(58.39% -0.0851 -0.0433)
OKLCH	oklch(58.39% 0.095 207)
XYZ	xyz(15.2509, 20.9124, 32.9324)
Luminance	0.2091 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B98 #982417

analogous

#179865 #178B98 #174A98

triadic

#178B98 #98178B #8B9817

tetradic

#178B98 #651798 #982417 #4A9817

square

#178B98 #651798 #982417 #4A9817

split-complementary

#178B98 #98174A #986517

monochromatic

#072A2E #0F5A63 #178B98 #1FBCCD #46D3E3

Accessibility & contrast

On white

4.05

#178B98 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#178B98 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B98

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B98	#FFFFFF	#000000	##000000
##178B98	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8599

Deuteranopia (green-blind)

#6D7998

Tritanopia (blue-blind)

#00928F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #178b98;
/* rgb */ color: rgb(23, 139, 152);
/* oklch */ color: oklch(58.4% 0.095 207.0);

Tailwind

colors: {
  custom: {
    50: '#6fadb6',
    500: '#178b98',
    950: '#000000',
  },
}

SCSS

$custom: #178b98;
$custom-light: #6fadb6;
$custom-dark: #000000;

JSON

{
  "hex": "#178b98",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 152
  },
  "hsl": {
    "h": 186.047,
    "s": 73.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.58385,
    "c": 0.09546,
    "h": 207
  },
  "luminance": 0.20914
}

Semantic roles & 50–950 ramp

primary

#178B98

secondary

#C45347

accent

#4A37F0

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #178B98

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

Preview Lab → · Contrast checker → · Palette generator →