#177B8A#177B8A

#177B8A is a mid, moderate teal. Relative luminance 0.162; OKLCH L 53.7% C 0.087 H 210.5°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#177B8A
RGB	rgb(23, 123, 138)
HSL	hsl(188, 71%, 32%)
HSV	hsv(188, 83%, 54%)
CMYK	cmyk(83.3%, 10.9%, 0%, 45.9%)
CIE-LAB	lab(47.21, -21.48, -15.93)
CIE-LCH	lch(47.21, 26.74, 216.56°)
OKLab	oklab(53.65% -0.0753 -0.0444)
OKLCH	oklch(53.65% 0.087 210.5)
XYZ	xyz(12.0217, 16.1815, 26.5296)
Luminance	0.1618 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177B8A #8A2617

analogous

#178A60 #177B8A #17428A

triadic

#177B8A #8A177B #7B8A17

tetradic

#177B8A #60178A #8A2617 #428A17

square

#177B8A #60178A #8A2617 #428A17

split-complementary

#177B8A #8A1742 #8A6017

monochromatic

#061D21 #0E4C56 #177B8A #20AABE #3DCADF

Accessibility & contrast

On white

4.96

#177B8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#177B8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177B8A

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177B8A	#FFFFFF	#000000	##FFFFFF
##177B8A	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F768B

Deuteranopia (green-blind)

#5F6B8A

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #177b8a;
/* rgb */ color: rgb(23, 123, 138);
/* oklch */ color: oklch(53.7% 0.087 210.5);

Tailwind

colors: {
  custom: {
    50: '#6ba1ac',
    500: '#177b8a',
    950: '#000000',
  },
}

SCSS

$custom: #177b8a;
$custom-light: #6ba1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#177b8a",
  "rgb": {
    "r": 23,
    "g": 123,
    "b": 138
  },
  "hsl": {
    "h": 187.826,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.53652,
    "c": 0.0874,
    "h": 210.5
  },
  "luminance": 0.16183
}

Semantic roles & 50–950 ramp

primary

#177B8A

secondary

#BE503F

accent

#513AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #177B8A

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

Preview Lab → · Contrast checker → · Palette generator →