#17879F#17879F

#17879F is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 57.7% C 0.098 H 217.1°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#17879F
RGB	rgb(23, 135, 159)
HSL	hsl(191, 75%, 36%)
HSV	hsv(191, 86%, 62%)
CMYK	cmyk(85.5%, 15.1%, 0%, 37.6%)
CIE-LAB	lab(51.85, -20.63, -21.12)
CIE-LCH	lch(51.85, 29.53, 225.68°)
OKLab	oklab(57.66% -0.0782 -0.0591)
OKLCH	oklch(57.66% 0.098 217.1)
XYZ	xyz(15.2726, 20.0113, 35.8518)
Luminance	0.2001 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17879F #9F2F17

analogous

#179F73 #17879F #17439F

triadic

#17879F #9F1787 #879F17

tetradic

#17879F #73179F #9F2F17 #439F17

square

#17879F #73179F #9F2F17 #439F17

split-complementary

#17879F #9F1743 #9F7317

monochromatic

#082C34 #0F5A6A #17879F #1FB4D4 #4BCAE5

Accessibility & contrast

On white

4.20

#17879F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#17879F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #17879F

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17879F	#FFFFFF	#000000	##000000
##17879F	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7783A0

Deuteranopia (green-blind)

#66769F

Tritanopia (blue-blind)

#008F8F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #17879f;
/* rgb */ color: rgb(23, 135, 159);
/* oklch */ color: oklch(57.7% 0.098 217.1);

Tailwind

colors: {
  custom: {
    50: '#70aabb',
    500: '#17879f',
    950: '#000000',
  },
}

SCSS

$custom: #17879f;
$custom-light: #70aabb;
$custom-dark: #000000;

JSON

{
  "hex": "#17879f",
  "rgb": {
    "r": 23,
    "g": 135,
    "b": 159
  },
  "hsl": {
    "h": 190.588,
    "s": 74.725,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57662,
    "c": 0.09802,
    "h": 217.1
  },
  "luminance": 0.20013
}

Semantic roles & 50–950 ramp

primary

#17879F

secondary

#C7614B

accent

#5736F1

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #17879F

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

Preview Lab → · Contrast checker → · Palette generator →