#175B64#175B64

#175B64 is a dark, moderate teal. Relative luminance 0.086; OKLCH L 43.4% C 0.066 H 208.0°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#175B64
RGB	rgb(23, 91, 100)
HSL	hsl(187, 63%, 24%)
HSV	hsv(187, 77%, 39%)
CMYK	cmyk(77%, 9%, 0%, 60.8%)
CIE-LAB	lab(35.17, -17.21, -11.19)
CIE-LCH	lch(35.17, 20.53, 213.04°)
OKLab	oklab(43.45% -0.0586 -0.0311)
OKLCH	oklch(43.45% 0.066 208)
XYZ	xyz(6.3937, 8.5837, 13.3740)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175B64 #642017

analogous

#176447 #175B64 #173564

triadic

#175B64 #64175B #5B6417

tetradic

#175B64 #471764 #642017 #356417

square

#175B64 #471764 #642017 #356417

split-complementary

#175B64 #641735 #644717

monochromatic

#061719 #0C2E32 #175B64 #228896 #2EB6C8

Accessibility & contrast

On white

7.73

#175B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#175B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175B64

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175B64	#FFFFFF	#000000	##FFFFFF
##175B64	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525765

Deuteranopia (green-blind)

#484F64

Tritanopia (blue-blind)

#005F5E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #175b64;
/* rgb */ color: rgb(23, 91, 100);
/* oklch */ color: oklch(43.4% 0.066 208.0);

Tailwind

colors: {
  custom: {
    50: '#628990',
    500: '#175b64',
    950: '#000000',
  },
}

SCSS

$custom: #175b64;
$custom-light: #628990;
$custom-dark: #000000;

JSON

{
  "hex": "#175b64",
  "rgb": {
    "r": 23,
    "g": 91,
    "b": 100
  },
  "hsl": {
    "h": 187.013,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.43445,
    "c": 0.06632,
    "h": 208
  },
  "luminance": 0.08584
}

Semantic roles & 50–950 ramp

primary

#175B64

secondary

#9A473C

accent

#5542E6

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #175B64

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

Preview Lab → · Contrast checker → · Palette generator →