#17587D#17587D

#17587D is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.9% C 0.088 H 239.0°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#17587D
RGB	rgb(23, 88, 125)
HSL	hsl(202, 69%, 29%)
HSV	hsv(202, 82%, 49%)
CMYK	cmyk(81.6%, 29.6%, 0%, 51%)
CIE-LAB	lab(35.28, -6.18, -26.52)
CIE-LCH	lch(35.28, 27.23, 256.88°)
OKLab	oklab(43.9% -0.0451 -0.075)
OKLCH	oklch(43.9% 0.088 239)
XYZ	xyz(7.5433, 8.6414, 20.6684)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17587D #7D3C17

analogous

#177D6F #17587D #17257D

triadic

#17587D #7D1758 #587D17

tetradic

#17587D #6F177D #7D3C17 #257D17

square

#17587D #6F177D #7D3C17 #257D17

split-complementary

#17587D #7D1725 #7D6F17

monochromatic

#05121A #0D3449 #17587D #217CB1 #359EDA

Accessibility & contrast

On white

7.70

#17587D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#17587D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17587D

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17587D	#FFFFFF	#000000	##FFFFFF
##17587D	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46587F

Deuteranopia (green-blind)

#394F7C

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #17587d;
/* rgb */ color: rgb(23, 88, 125);
/* oklch */ color: oklch(43.9% 0.088 239.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#17587d",
  "rgb": {
    "r": 23,
    "g": 88,
    "b": 125
  },
  "hsl": {
    "h": 201.765,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.43904,
    "c": 0.08753,
    "h": 239
  },
  "luminance": 0.08642
}

Semantic roles & 50–950 ramp

primary

#17587D

secondary

#B2683E

accent

#7C3CEC

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #17587D

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

Preview Lab → · Contrast checker → · Palette generator →