#177E90#177E90

#177E90 is a mid, moderate teal. Relative luminance 0.171; OKLCH L 54.7% C 0.090 H 213.1°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#177E90
RGB	rgb(23, 126, 144)
HSL	hsl(189, 72%, 33%)
HSV	hsv(189, 84%, 56%)
CMYK	cmyk(84%, 12.5%, 0%, 43.5%)
CIE-LAB	lab(48.41, -21.02, -17.65)
CIE-LCH	lch(48.41, 27.44, 220.02°)
OKLab	oklab(54.69% -0.0757 -0.0493)
OKLCH	oklch(54.69% 0.09 213.1)
XYZ	xyz(12.8461, 17.1159, 29.0068)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177E90 #902917

analogous

#179066 #177E90 #174190

triadic

#177E90 #90177E #7E9017

tetradic

#177E90 #661790 #902917 #419017

square

#177E90 #661790 #902917 #419017

split-complementary

#177E90 #901741 #906617

monochromatic

#062226 #0F505B #177E90 #1FACC5 #41C9E1

Accessibility & contrast

On white

4.75

#177E90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#177E90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177E90

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177E90	#FFFFFF	#000000	##FFFFFF
##177E90	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717991

Deuteranopia (green-blind)

#616E90

Tritanopia (blue-blind)

#008584

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #177e90;
/* rgb */ color: rgb(23, 126, 144);
/* oklch */ color: oklch(54.7% 0.090 213.1);

Tailwind

colors: {
  custom: {
    50: '#6ca3b0',
    500: '#177e90',
    950: '#000000',
  },
}

SCSS

$custom: #177e90;
$custom-light: #6ca3b0;
$custom-dark: #000000;

JSON

{
  "hex": "#177e90",
  "rgb": {
    "r": 23,
    "g": 126,
    "b": 144
  },
  "hsl": {
    "h": 188.926,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.54692,
    "c": 0.0903,
    "h": 213.1
  },
  "luminance": 0.17117
}

Semantic roles & 50–950 ramp

primary

#177E90

secondary

#C15542

accent

#5439EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #177E90

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

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