#177F90#177F90

#177F90 is a mid, moderate teal. Relative luminance 0.174; OKLCH L 55.0% C 0.090 H 212.0°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#177F90
RGB	rgb(23, 127, 144)
HSL	hsl(188, 72%, 33%)
HSV	hsv(188, 84%, 56%)
CMYK	cmyk(84%, 11.8%, 0%, 43.5%)
CIE-LAB	lab(48.73, -21.55, -17.16)
CIE-LCH	lch(48.73, 27.54, 218.53°)
OKLab	oklab(54.95% -0.0767 -0.0479)
OKLCH	oklch(54.95% 0.09 212)
XYZ	xyz(12.9746, 17.3729, 29.0496)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177F90 #902817

analogous

#179065 #177F90 #174290

triadic

#177F90 #90177F #7F9017

tetradic

#177F90 #651790 #902817 #429017

square

#177F90 #651790 #902817 #429017

split-complementary

#177F90 #901742 #906517

monochromatic

#062226 #0F505B #177F90 #1FAEC5 #41CAE1

Accessibility & contrast

On white

4.69

#177F90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#177F90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177F90

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177F90	#FFFFFF	#000000	##FFFFFF
##177F90	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727A91

Deuteranopia (green-blind)

#626F90

Tritanopia (blue-blind)

#008684

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #177f90;
/* rgb */ color: rgb(23, 127, 144);
/* oklch */ color: oklch(55.0% 0.090 212.0);

Tailwind

colors: {
  custom: {
    50: '#6ca4b0',
    500: '#177f90',
    950: '#000000',
  },
}

SCSS

$custom: #177f90;
$custom-light: #6ca4b0;
$custom-dark: #000000;

JSON

{
  "hex": "#177f90",
  "rgb": {
    "r": 23,
    "g": 127,
    "b": 144
  },
  "hsl": {
    "h": 188.43,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.54951,
    "c": 0.09039,
    "h": 212
  },
  "luminance": 0.17375
}

Semantic roles & 50–950 ramp

primary

#177F90

secondary

#C15442

accent

#5239EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #177F90

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

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