#177B87#177B87

#177B87 is a mid, moderate teal. Relative luminance 0.161; OKLCH L 53.5% C 0.086 H 207.5°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#177B87
RGB	rgb(23, 123, 135)
HSL	hsl(186, 71%, 31%)
HSV	hsv(186, 83%, 53%)
CMYK	cmyk(83%, 8.9%, 0%, 47.1%)
CIE-LAB	lab(47.10, -22.50, -14.33)
CIE-LCH	lch(47.10, 26.67, 212.49°)
OKLab	oklab(53.52% -0.0766 -0.0399)
OKLCH	oklch(53.52% 0.086 207.5)
XYZ	xyz(11.8075, 16.0959, 25.4015)
Luminance	0.1610 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177B87 #872317

analogous

#17875B #177B87 #174387

triadic

#177B87 #87177B #7B8717

tetradic

#177B87 #5B1787 #872317 #438717

square

#177B87 #5B1787 #872317 #438717

split-complementary

#177B87 #871743 #875B17

monochromatic

#051C1E #0E4B53 #177B87 #20ABBB #3BCCDE

Accessibility & contrast

On white

4.98

#177B87 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#177B87 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177B87

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177B87	#FFFFFF	#000000	##FFFFFF
##177B87	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7688

Deuteranopia (green-blind)

#616B87

Tritanopia (blue-blind)

#00817F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #177b87;
/* rgb */ color: rgb(23, 123, 135);
/* oklch */ color: oklch(53.5% 0.086 207.5);

Tailwind

colors: {
  custom: {
    50: '#6ba1aa',
    500: '#177b87',
    950: '#000000',
  },
}

SCSS

$custom: #177b87;
$custom-light: #6ba1aa;
$custom-dark: #000000;

JSON

{
  "hex": "#177b87",
  "rgb": {
    "r": 23,
    "g": 123,
    "b": 135
  },
  "hsl": {
    "h": 186.429,
    "s": 70.886,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53524,
    "c": 0.08637,
    "h": 207.5
  },
  "luminance": 0.16097
}

Semantic roles & 50–950 ramp

primary

#177B87

secondary

#BB4C3F

accent

#4D3AEE

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080F10

muted

#7A7E7F

Preview Lab

Preview with #177B87

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

Preview Lab → · Contrast checker → · Palette generator →