#178A98#178A98

#178A98 is a mid, moderate teal. Relative luminance 0.206; OKLCH L 58.1% C 0.095 H 208.0°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#178A98
RGB	rgb(23, 138, 152)
HSL	hsl(187, 74%, 34%)
HSV	hsv(187, 85%, 60%)
CMYK	cmyk(84.9%, 9.2%, 0%, 40.4%)
CIE-LAB	lab(52.54, -24.57, -16.02)
CIE-LCH	lch(52.54, 29.33, 213.10°)
OKLab	oklab(58.13% -0.0841 -0.0446)
OKLCH	oklch(58.13% 0.095 208)
XYZ	xyz(15.1068, 20.6242, 32.8843)
Luminance	0.2063 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178A98 #982517

analogous

#179866 #178A98 #174998

triadic

#178A98 #98178A #8A9817

tetradic

#178A98 #661798 #982517 #499817

square

#178A98 #661798 #982517 #499817

split-complementary

#178A98 #981749 #986617

monochromatic

#07292E #0F5A63 #178A98 #1FBACD #46D2E3

Accessibility & contrast

On white

4.10

#178A98 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#178A98 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178A98

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178A98	#FFFFFF	#000000	##000000
##178A98	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8499

Deuteranopia (green-blind)

#6C7898

Tritanopia (blue-blind)

#00918E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #178a98;
/* rgb */ color: rgb(23, 138, 152);
/* oklch */ color: oklch(58.1% 0.095 208.0);

Tailwind

colors: {
  custom: {
    50: '#6facb6',
    500: '#178a98',
    950: '#000000',
  },
}

SCSS

$custom: #178a98;
$custom-light: #6facb6;
$custom-dark: #000000;

JSON

{
  "hex": "#178a98",
  "rgb": {
    "r": 23,
    "g": 138,
    "b": 152
  },
  "hsl": {
    "h": 186.512,
    "s": 73.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.58128,
    "c": 0.09521,
    "h": 208
  },
  "luminance": 0.20626
}

Semantic roles & 50–950 ramp

primary

#178A98

secondary

#C45447

accent

#4B37F0

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #178A98

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

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