#17859F#17859F

#17859F is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.2% C 0.098 H 219.1°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#17859F
RGB	rgb(23, 133, 159)
HSL	hsl(191, 75%, 36%)
HSV	hsv(191, 86%, 62%)
CMYK	cmyk(85.5%, 16.4%, 0%, 37.6%)
CIE-LAB	lab(51.22, -19.56, -22.09)
CIE-LCH	lch(51.22, 29.51, 228.48°)
OKLab	oklab(57.15% -0.0763 -0.0619)
OKLCH	oklch(57.15% 0.098 219.1)
XYZ	xyz(14.9962, 19.4585, 35.7596)
Luminance	0.1946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17859F #9F3117

analogous

#179F75 #17859F #17419F

triadic

#17859F #9F1785 #859F17

tetradic

#17859F #75179F #9F3117 #419F17

square

#17859F #75179F #9F3117 #419F17

split-complementary

#17859F #9F1741 #9F7517

monochromatic

#082C34 #0F586A #17859F #1FB2D4 #4BC8E5

Accessibility & contrast

On white

4.29

#17859F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#17859F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #17859F

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17859F	#FFFFFF	#000000	##000000
##17859F	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7581A0

Deuteranopia (green-blind)

#63759F

Tritanopia (blue-blind)

#008E8D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #17859f;
/* rgb */ color: rgb(23, 133, 159);
/* oklch */ color: oklch(57.2% 0.098 219.1);

Tailwind

colors: {
  custom: {
    50: '#6fa8bb',
    500: '#17859f',
    950: '#000000',
  },
}

SCSS

$custom: #17859f;
$custom-light: #6fa8bb;
$custom-dark: #000000;

JSON

{
  "hex": "#17859f",
  "rgb": {
    "r": 23,
    "g": 133,
    "b": 159
  },
  "hsl": {
    "h": 191.471,
    "s": 74.725,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57154,
    "c": 0.09821,
    "h": 219.1
  },
  "luminance": 0.1946
}

Semantic roles & 50–950 ramp

primary

#17859F

secondary

#C7634B

accent

#5A36F1

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #17859F

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

Preview Lab → · Contrast checker → · Palette generator →