#17556E#17556E

#17556E is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.3% C 0.073 H 229.6°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#17556E
RGB	rgb(23, 85, 110)
HSL	hsl(197, 65%, 26%)
HSV	hsv(197, 79%, 43%)
CMYK	cmyk(79.1%, 22.7%, 0%, 56.9%)
CIE-LAB	lab(33.57, -10.09, -19.89)
CIE-LCH	lch(33.57, 22.30, 243.09°)
OKLab	oklab(42.3% -0.0476 -0.0559)
OKLCH	oklch(42.3% 0.073 229.6)
XYZ	xyz(6.4152, 7.8042, 15.9171)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17556E #6E3017

analogous

#176E5B #17556E #17296E

triadic

#17556E #6E1755 #556E17

tetradic

#17556E #5B176E #6E3017 #296E17

square

#17556E #5B176E #6E3017 #296E17

split-complementary

#17556E #6E1729 #6E5B17

monochromatic

#051419 #0C2E3B #17556E #227CA1 #2CA3D3

Accessibility & contrast

On white

8.20

#17556E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#17556E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17556E

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17556E	#FFFFFF	#000000	##FFFFFF
##17556E	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48546F

Deuteranopia (green-blind)

#3C4B6E

Tritanopia (blue-blind)

#005C5D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #17556e;
/* rgb */ color: rgb(23, 85, 110);
/* oklch */ color: oklch(42.3% 0.073 229.6);

Tailwind

colors: {
  custom: {
    50: '#638497',
    500: '#17556e',
    950: '#000000',
  },
}

SCSS

$custom: #17556e;
$custom-light: #638497;
$custom-dark: #000000;

JSON

{
  "hex": "#17556e",
  "rgb": {
    "r": 23,
    "g": 85,
    "b": 110
  },
  "hsl": {
    "h": 197.241,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.42301,
    "c": 0.0734,
    "h": 229.6
  },
  "luminance": 0.07805
}

Semantic roles & 50–950 ramp

primary

#17556E

secondary

#A45B3D

accent

#703FE8

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #17556E

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

Preview Lab → · Contrast checker → · Palette generator →