#177B7D#177B7D

#177B7D is a mid, moderate teal. Relative luminance 0.158; OKLCH L 53.1% C 0.085 H 197.0°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#177B7D
RGB	rgb(23, 123, 125)
HSL	hsl(181, 69%, 29%)
HSV	hsv(181, 82%, 49%)
CMYK	cmyk(81.6%, 1.6%, 0%, 51%)
CIE-LAB	lab(46.75, -25.80, -8.94)
CIE-LCH	lch(46.75, 27.30, 199.11°)
OKLab	oklab(53.12% -0.0812 -0.0248)
OKLCH	oklch(53.12% 0.085 197)
XYZ	xyz(11.1363, 15.8273, 21.8661)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177B7D #7D1917

analogous

#177D4C #177B7D #17487D

triadic

#177B7D #7D177B #7B7D17

tetradic

#177B7D #4C177D #7D1917 #487D17

square

#177B7D #4C177D #7D1917 #487D17

split-complementary

#177B7D #7D1748 #7D4C17

monochromatic

#05191A #0D4849 #177B7D #21AEB1 #35D7DA

Accessibility & contrast

On white

5.04

#177B7D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#177B7D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177B7D

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177B7D	#FFFFFF	#000000	##FFFFFF
##177B7D	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72757D

Deuteranopia (green-blind)

#646A7E

Tritanopia (blue-blind)

#007F7B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #177b7d;
/* rgb */ color: rgb(23, 123, 125);
/* oklch */ color: oklch(53.1% 0.085 197.0);

Tailwind

colors: {
  custom: {
    50: '#69a1a2',
    500: '#177b7d',
    950: '#000000',
  },
}

SCSS

$custom: #177b7d;
$custom-light: #69a1a2;
$custom-dark: #000000;

JSON

{
  "hex": "#177b7d",
  "rgb": {
    "r": 23,
    "g": 123,
    "b": 125
  },
  "hsl": {
    "h": 181.176,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.53121,
    "c": 0.08491,
    "h": 197
  },
  "luminance": 0.15829
}

Semantic roles & 50–950 ramp

primary

#177B7D

secondary

#B2403E

accent

#3F3CEC

background

#F6FAF9

surface

#ECF3F2

border

#C7CDCC

text

#070F0F

muted

#7A7F7E

Preview Lab

Preview with #177B7D

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

Preview Lab → · Contrast checker → · Palette generator →