#17587E#17587E

#17587E is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.0% C 0.089 H 239.7°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#17587E
RGB	rgb(23, 88, 126)
HSL	hsl(202, 69%, 29%)
HSV	hsv(202, 82%, 49%)
CMYK	cmyk(81.7%, 30.2%, 0%, 50.6%)
CIE-LAB	lab(35.34, -5.79, -27.06)
CIE-LCH	lch(35.34, 27.67, 257.91°)
OKLab	oklab(43.96% -0.0447 -0.0766)
OKLCH	oklch(43.96% 0.089 239.7)
XYZ	xyz(7.6075, 8.6670, 21.0066)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17587E #7E3D17

analogous

#177E71 #17587E #17247E

triadic

#17587E #7E1758 #587E17

tetradic

#17587E #71177E #7E3D17 #247E17

square

#17587E #71177E #7E3D17 #247E17

split-complementary

#17587E #7E1724 #7E7117

monochromatic

#05121A #0E344A #17587E #207CB2 #359DDA

Accessibility & contrast

On white

7.68

#17587E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#17587E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17587E

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17587E	#FFFFFF	#000000	##FFFFFF
##17587E	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465880

Deuteranopia (green-blind)

#384F7D

Tritanopia (blue-blind)

#006265

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #17587e;
/* rgb */ color: rgb(23, 88, 126);
/* oklch */ color: oklch(44.0% 0.089 239.7);

Tailwind

colors: {
  custom: {
    50: '#6687a3',
    500: '#17587e',
    950: '#000000',
  },
}

SCSS

$custom: #17587e;
$custom-light: #6687a3;
$custom-dark: #000000;

JSON

{
  "hex": "#17587e",
  "rgb": {
    "r": 23,
    "g": 88,
    "b": 126
  },
  "hsl": {
    "h": 202.136,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.43961,
    "c": 0.08868,
    "h": 239.7
  },
  "luminance": 0.08668
}

Semantic roles & 50–950 ramp

primary

#17587E

secondary

#B3693E

accent

#7D3CEC

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #17587E

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

Preview Lab → · Contrast checker → · Palette generator →