#17556D#17556D

#17556D is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.2% C 0.072 H 228.5°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#17556D
RGB	rgb(23, 85, 109)
HSL	hsl(197, 65%, 26%)
HSV	hsv(197, 79%, 43%)
CMYK	cmyk(78.9%, 22%, 0%, 57.3%)
CIE-LAB	lab(33.53, -10.47, -19.34)
CIE-LCH	lch(33.53, 21.99, 241.56°)
OKLab	oklab(42.25% -0.048 -0.0543)
OKLCH	oklch(42.25% 0.072 228.5)
XYZ	xyz(6.3610, 7.7825, 15.6320)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17556D #6D2F17

analogous

#176D5A #17556D #172A6D

triadic

#17556D #6D1755 #556D17

tetradic

#17556D #5A176D #6D2F17 #2A6D17

square

#17556D #5A176D #6D2F17 #2A6D17

split-complementary

#17556D #6D172A #6D5A17

monochromatic

#051419 #0C2E3A #17556D #227CA0 #2CA4D2

Accessibility & contrast

On white

8.21

#17556D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#17556D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17556D

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17556D	#FFFFFF	#000000	##FFFFFF
##17556D	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48546E

Deuteranopia (green-blind)

#3D4B6D

Tritanopia (blue-blind)

#005C5D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #17556d;
/* rgb */ color: rgb(23, 85, 109);
/* oklch */ color: oklch(42.2% 0.072 228.5);

Tailwind

colors: {
  custom: {
    50: '#628497',
    500: '#17556d',
    950: '#000000',
  },
}

SCSS

$custom: #17556d;
$custom-light: #628497;
$custom-dark: #000000;

JSON

{
  "hex": "#17556d",
  "rgb": {
    "r": 23,
    "g": 85,
    "b": 109
  },
  "hsl": {
    "h": 196.744,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.42249,
    "c": 0.07247,
    "h": 228.5
  },
  "luminance": 0.07783
}

Semantic roles & 50–950 ramp

primary

#17556D

secondary

#A3593D

accent

#6F40E8

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #17556D

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

Preview Lab → · Contrast checker → · Palette generator →