#17819E#17819E

#17819E is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.1% C 0.098 H 222.2°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#17819E
RGB	rgb(23, 129, 158)
HSL	hsl(193, 75%, 35%)
HSV	hsv(193, 85%, 62%)
CMYK	cmyk(85.4%, 18.4%, 0%, 38%)
CIE-LAB	lab(49.92, -17.75, -23.52)
CIE-LCH	lch(49.92, 29.46, 232.96°)
OKLab	oklab(56.09% -0.0728 -0.066)
OKLCH	oklch(56.09% 0.098 222.2)
XYZ	xyz(14.3725, 18.3495, 35.1254)
Luminance	0.1835 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17819E #9E3417

analogous

#179E77 #17819E #173D9E

triadic

#17819E #9E1781 #819E17

tetradic

#17819E #77179E #9E3417 #3D9E17

square

#17819E #77179E #9E3417 #3D9E17

split-complementary

#17819E #9E173D #9E7717

monochromatic

#072A33 #0F5569 #17819E #1FADD3 #4BC4E5

Accessibility & contrast

On white

4.50

#17819E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#17819E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #17819E

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17819E	#FFFFFF	#000000	##000000
##17819E	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707E9F

Deuteranopia (green-blind)

#5F719E

Tritanopia (blue-blind)

#008A8A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #17819e;
/* rgb */ color: rgb(23, 129, 158);
/* oklch */ color: oklch(56.1% 0.098 222.2);

Tailwind

colors: {
  custom: {
    50: '#6fa5ba',
    500: '#17819e',
    950: '#000000',
  },
}

SCSS

$custom: #17819e;
$custom-light: #6fa5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#17819e",
  "rgb": {
    "r": 23,
    "g": 129,
    "b": 158
  },
  "hsl": {
    "h": 192.889,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.56093,
    "c": 0.09825,
    "h": 222.2
  },
  "luminance": 0.18351
}

Semantic roles & 50–950 ramp

primary

#17819E

secondary

#C6654A

accent

#5F37F1

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #17819E

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

Preview Lab → · Contrast checker → · Palette generator →