#175F80#175F80

#175F80 is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 45.9% C 0.086 H 233.6°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#175F80
RGB	rgb(23, 95, 128)
HSL	hsl(199, 70%, 30%)
HSV	hsv(199, 82%, 50%)
CMYK	cmyk(82%, 25.8%, 0%, 49.8%)
CIE-LAB	lab(37.71, -9.30, -24.57)
CIE-LCH	lch(37.71, 26.28, 249.26°)
OKLab	oklab(45.88% -0.051 -0.0693)
OKLCH	oklch(45.88% 0.086 233.6)
XYZ	xyz(8.3403, 9.9241, 21.8939)
Luminance	0.0993 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175F80 #803817

analogous

#17806D #175F80 #172B80

triadic

#175F80 #80175F #5F8017

tetradic

#175F80 #6D1780 #803817 #2B8017

square

#175F80 #6D1780 #803817 #2B8017

split-complementary

#175F80 #80172B #806D17

monochromatic

#05131A #0E384C #175F80 #2086B4 #36A7DB

Accessibility & contrast

On white

7.04

#175F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#175F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175F80

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175F80	#FFFFFF	#000000	##FFFFFF
##175F80	1.00	7.04	2.99	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5E82

Deuteranopia (green-blind)

#41547F

Tritanopia (blue-blind)

#00686A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #175f80;
/* rgb */ color: rgb(23, 95, 128);
/* oklch */ color: oklch(45.9% 0.086 233.6);

Tailwind

colors: {
  custom: {
    50: '#678ca5',
    500: '#175f80',
    950: '#000000',
  },
}

SCSS

$custom: #175f80;
$custom-light: #678ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#175f80",
  "rgb": {
    "r": 23,
    "g": 95,
    "b": 128
  },
  "hsl": {
    "h": 198.857,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.45878,
    "c": 0.08606,
    "h": 233.6
  },
  "luminance": 0.09925
}

Semantic roles & 50–950 ramp

primary

#175F80

secondary

#B4633E

accent

#733BEC

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #175F80

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

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