#17638E#17638E

#17638E is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 47.7% C 0.099 H 239.5°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#17638E
RGB	rgb(23, 99, 142)
HSL	hsl(202, 72%, 32%)
HSV	hsv(202, 84%, 56%)
CMYK	cmyk(83.8%, 30.3%, 0%, 44.3%)
CIE-LAB	lab(39.68, -6.36, -29.98)
CIE-LCH	lch(39.68, 30.65, 258.01°)
OKLab	oklab(47.67% -0.05 -0.0849)
OKLCH	oklch(47.67% 0.099 239.5)
XYZ	xyz(9.6957, 11.0576, 27.2093)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17638E #8E4217

analogous

#178E7E #17638E #17278E

triadic

#17638E #8E1763 #638E17

tetradic

#17638E #7E178E #8E4217 #278E17

square

#17638E #7E178E #8E4217 #278E17

split-complementary

#17638E #8E1727 #8E7E17

monochromatic

#061A25 #0E3E59 #17638E #2088C3 #3FA6E0

Accessibility & contrast

On white

6.54

#17638E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#17638E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17638E

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17638E	#FFFFFF	#000000	##FFFFFF
##17638E	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F6390

Deuteranopia (green-blind)

#3E598D

Tritanopia (blue-blind)

#006E72

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #17638e;
/* rgb */ color: rgb(23, 99, 142);
/* oklch */ color: oklch(47.7% 0.099 239.5);

Tailwind

colors: {
  custom: {
    50: '#6a8faf',
    500: '#17638e',
    950: '#000000',
  },
}

SCSS

$custom: #17638e;
$custom-light: #6a8faf;
$custom-dark: #000000;

JSON

{
  "hex": "#17638e",
  "rgb": {
    "r": 23,
    "g": 99,
    "b": 142
  },
  "hsl": {
    "h": 201.681,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.47672,
    "c": 0.09854,
    "h": 239.5
  },
  "luminance": 0.11059
}

Semantic roles & 50–950 ramp

primary

#17638E

secondary

#C06F40

accent

#7B39EF

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C10

muted

#7A7D7F

Preview Lab

Preview with #17638E

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

Preview Lab → · Contrast checker → · Palette generator →