#17537A#17537A

#17537A is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.4% C 0.088 H 242.2°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#17537A
RGB	rgb(23, 83, 122)
HSL	hsl(204, 68%, 28%)
HSV	hsv(204, 81%, 48%)
CMYK	cmyk(81.1%, 32%, 0%, 52.2%)
CIE-LAB	lab(33.51, -4.22, -27.46)
CIE-LCH	lch(33.51, 27.78, 261.26°)
OKLab	oklab(42.44% -0.0411 -0.0778)
OKLCH	oklch(42.44% 0.088 242.2)
XYZ	xyz(6.9581, 7.7730, 19.5422)
Luminance	0.0777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17537A #7A3E17

analogous

#177A6F #17537A #17227A

triadic

#17537A #7A1753 #537A17

tetradic

#17537A #6F177A #7A3E17 #227A17

square

#17537A #6F177A #7A3E17 #227A17

split-complementary

#17537A #7A1722 #7A6F17

monochromatic

#05121A #0D3047 #17537A #2176AD #3397D9

Accessibility & contrast

On white

8.22

#17537A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#17537A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17537A

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17537A	#FFFFFF	#000000	##FFFFFF
##17537A	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41547C

Deuteranopia (green-blind)

#334B79

Tritanopia (blue-blind)

#005D61

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #17537a;
/* rgb */ color: rgb(23, 83, 122);
/* oklch */ color: oklch(42.4% 0.088 242.2);

Tailwind

colors: {
  custom: {
    50: '#6583a0',
    500: '#17537a',
    950: '#000000',
  },
}

SCSS

$custom: #17537a;
$custom-light: #6583a0;
$custom-dark: #000000;

JSON

{
  "hex": "#17537a",
  "rgb": {
    "r": 23,
    "g": 83,
    "b": 122
  },
  "hsl": {
    "h": 203.636,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.42443,
    "c": 0.08801,
    "h": 242.2
  },
  "luminance": 0.07774
}

Semantic roles & 50–950 ramp

primary

#17537A

secondary

#AF6A3E

accent

#813DEB

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #17537A

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

Preview Lab → · Contrast checker → · Palette generator →