#177A8E#177A8E

#177A8E is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 53.6% C 0.089 H 215.6°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#177A8E
RGB	rgb(23, 122, 142)
HSL	hsl(190, 72%, 32%)
HSV	hsv(190, 84%, 56%)
CMYK	cmyk(83.8%, 14.1%, 0%, 44.3%)
CIE-LAB	lab(47.04, -19.57, -18.55)
CIE-LCH	lch(47.04, 26.96, 223.47°)
OKLab	oklab(53.57% -0.0725 -0.0518)
OKLCH	oklch(53.57% 0.089 215.6)
XYZ	xyz(12.1933, 16.0527, 28.0418)
Luminance	0.1605 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177A8E #8E2B17

analogous

#178E67 #177A8E #173F8E

triadic

#177A8E #8E177A #7A8E17

tetradic

#177A8E #67178E #8E2B17 #3F8E17

square

#177A8E #67178E #8E2B17 #3F8E17

split-complementary

#177A8E #8E173F #8E6717

monochromatic

#061F25 #0E4D59 #177A8E #20A7C3 #3FC5E0

Accessibility & contrast

On white

4.99

#177A8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#177A8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177A8E

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177A8E	#FFFFFF	#000000	##FFFFFF
##177A8E	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)

#6C768F

Deuteranopia (green-blind)

#5D6B8E

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #177a8e;
/* rgb */ color: rgb(23, 122, 142);
/* oklch */ color: oklch(53.6% 0.089 215.6);

Tailwind

colors: {
  custom: {
    50: '#6ca0af',
    500: '#177a8e',
    950: '#000000',
  },
}

SCSS

$custom: #177a8e;
$custom-light: #6ca0af;
$custom-dark: #000000;

JSON

{
  "hex": "#177a8e",
  "rgb": {
    "r": 23,
    "g": 122,
    "b": 142
  },
  "hsl": {
    "h": 190.084,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.53567,
    "c": 0.08916,
    "h": 215.6
  },
  "luminance": 0.16054
}

Semantic roles & 50–950 ramp

primary

#177A8E

secondary

#C05640

accent

#5839EF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #177A8E

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

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