#17556B#17556B

#17556B is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.1% C 0.071 H 226.3°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#17556B
RGB	rgb(23, 85, 107)
HSL	hsl(196, 65%, 25%)
HSV	hsv(196, 79%, 42%)
CMYK	cmyk(78.5%, 20.6%, 0%, 58%)
CIE-LAB	lab(33.44, -11.22, -18.22)
CIE-LCH	lch(33.44, 21.40, 238.38°)
OKLab	oklab(42.15% -0.0488 -0.0511)
OKLCH	oklch(42.15% 0.071 226.3)
XYZ	xyz(6.2546, 7.7400, 15.0714)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17556B #6B2D17

analogous

#176B57 #17556B #172B6B

triadic

#17556B #6B1755 #556B17

tetradic

#17556B #57176B #6B2D17 #2B6B17

square

#17556B #57176B #6B2D17 #2B6B17

split-complementary

#17556B #6B172B #6B5717

monochromatic

#051419 #0C2D39 #17556B #227D9D #2DA5D0

Accessibility & contrast

On white

8.24

#17556B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#17556B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17556B

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17556B	#FFFFFF	#000000	##FFFFFF
##17556B	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49536C

Deuteranopia (green-blind)

#3E4B6B

Tritanopia (blue-blind)

#005B5C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #17556b;
/* rgb */ color: rgb(23, 85, 107);
/* oklch */ color: oklch(42.1% 0.071 226.3);

Tailwind

colors: {
  custom: {
    50: '#628595',
    500: '#17556b',
    950: '#000000',
  },
}

SCSS

$custom: #17556b;
$custom-light: #628595;
$custom-dark: #000000;

JSON

{
  "hex": "#17556b",
  "rgb": {
    "r": 23,
    "g": 85,
    "b": 107
  },
  "hsl": {
    "h": 195.714,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.42147,
    "c": 0.07067,
    "h": 226.3
  },
  "luminance": 0.07741
}

Semantic roles & 50–950 ramp

primary

#17556B

secondary

#A1573D

accent

#6C40E8

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #17556B

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

Preview Lab → · Contrast checker → · Palette generator →