#17637F#17637F

#17637F is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 46.9% C 0.083 H 228.1°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#17637F
RGB	rgb(23, 99, 127)
HSL	hsl(196, 69%, 29%)
HSV	hsv(196, 82%, 50%)
CMYK	cmyk(81.9%, 22%, 0%, 50.2%)
CIE-LAB	lab(38.96, -12.05, -22.01)
CIE-LCH	lch(38.96, 25.09, 241.30°)
OKLab	oklab(46.87% -0.0555 -0.0619)
OKLCH	oklch(46.87% 0.083 228.1)
XYZ	xyz(8.6444, 10.6371, 21.6721)
Luminance	0.1064 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17637F #7F3317

analogous

#177F67 #17637F #172F7F

triadic

#17637F #7F1763 #637F17

tetradic

#17637F #67177F #7F3317 #2F7F17

square

#17637F #67177F #7F3317 #2F7F17

split-complementary

#17637F #7F172F #7F6717

monochromatic

#05141A #0E3B4B #17637F #208BB3 #36AEDB

Accessibility & contrast

On white

6.71

#17637F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#17637F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17637F

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17637F	#FFFFFF	#000000	##FFFFFF
##17637F	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546180

Deuteranopia (green-blind)

#47577F

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #17637f;
/* rgb */ color: rgb(23, 99, 127);
/* oklch */ color: oklch(46.9% 0.083 228.1);

Tailwind

colors: {
  custom: {
    50: '#678fa4',
    500: '#17637f',
    950: '#000000',
  },
}

SCSS

$custom: #17637f;
$custom-light: #678fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#17637f",
  "rgb": {
    "r": 23,
    "g": 99,
    "b": 127
  },
  "hsl": {
    "h": 196.154,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.46867,
    "c": 0.0831,
    "h": 228.1
  },
  "luminance": 0.10638
}

Semantic roles & 50–950 ramp

primary

#17637F

secondary

#B45E3E

accent

#6B3CEC

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #17637F

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

Preview Lab → · Contrast checker → · Palette generator →