#177B85#177B85

#177B85 is a mid, moderate teal. Relative luminance 0.160; OKLCH L 53.4% C 0.086 H 205.5°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#177B85
RGB	rgb(23, 123, 133)
HSL	hsl(185, 71%, 31%)
HSV	hsv(185, 83%, 52%)
CMYK	cmyk(82.7%, 7.5%, 0%, 47.8%)
CIE-LAB	lab(47.03, -23.17, -13.25)
CIE-LCH	lch(47.03, 26.69, 209.77°)
OKLab	oklab(53.44% -0.0775 -0.0369)
OKLCH	oklch(53.44% 0.086 205.5)
XYZ	xyz(11.6681, 16.0401, 24.6668)
Luminance	0.1604 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177B85 #852117

analogous

#178558 #177B85 #174485

triadic

#177B85 #85177B #7B8517

tetradic

#177B85 #581785 #852117 #448517

square

#177B85 #581785 #852117 #448517

split-complementary

#177B85 #851744 #855817

monochromatic

#051A1D #0E4B51 #177B85 #20ABB9 #3ACEDD

Accessibility & contrast

On white

4.99

#177B85 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#177B85 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177B85

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177B85	#FFFFFF	#000000	##FFFFFF
##177B85	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#707686

Deuteranopia (green-blind)

#616B85

Tritanopia (blue-blind)

#00817E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #177b85;
/* rgb */ color: rgb(23, 123, 133);
/* oklch */ color: oklch(53.4% 0.086 205.5);

Tailwind

colors: {
  custom: {
    50: '#6aa1a8',
    500: '#177b85',
    950: '#000000',
  },
}

SCSS

$custom: #177b85;
$custom-light: #6aa1a8;
$custom-dark: #000000;

JSON

{
  "hex": "#177b85",
  "rgb": {
    "r": 23,
    "g": 123,
    "b": 133
  },
  "hsl": {
    "h": 185.455,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.53441,
    "c": 0.08583,
    "h": 205.5
  },
  "luminance": 0.16042
}

Semantic roles & 50–950 ramp

primary

#177B85

secondary

#B94A3F

accent

#4B3BED

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080F0F

muted

#7A7E7F

Preview Lab

Preview with #177B85

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

Preview Lab → · Contrast checker → · Palette generator →