#17508A#17508A

#17508A is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.7% C 0.112 H 252.6°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#17508A
RGB	rgb(23, 80, 138)
HSL	hsl(210, 71%, 32%)
HSV	hsv(210, 83%, 54%)
CMYK	cmyk(83.3%, 42%, 0%, 45.9%)
CIE-LAB	lab(33.46, 4.15, -37.39)
CIE-LCH	lch(33.46, 37.62, 276.33°)
OKLab	oklab(42.71% -0.0336 -0.107)
OKLCH	oklch(42.71% 0.112 252.6)
XYZ	xyz(7.8077, 7.7535, 25.1249)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17508A #8A5117

analogous

#178A8A #17508A #18178A

triadic

#17508A #8A1750 #508A17

tetradic

#17508A #8A178A #8A5117 #178A18

square

#17508A #8A178A #8A5117 #178A18

split-complementary

#17508A #8A1817 #8A8A17

monochromatic

#061321 #0E3256 #17508A #206EBE #3D8DDF

Accessibility & contrast

On white

8.23

#17508A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#17508A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17508A

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17508A	#FFFFFF	#000000	##FFFFFF
##17508A	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33548C

Deuteranopia (green-blind)

#204A89

Tritanopia (blue-blind)

#005E66

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #17508a;
/* rgb */ color: rgb(23, 80, 138);
/* oklch */ color: oklch(42.7% 0.112 252.6);

Tailwind

colors: {
  custom: {
    50: '#6880ac',
    500: '#17508a',
    950: '#000000',
  },
}

SCSS

$custom: #17508a;
$custom-light: #6880ac;
$custom-dark: #000000;

JSON

{
  "hex": "#17508a",
  "rgb": {
    "r": 23,
    "g": 80,
    "b": 138
  },
  "hsl": {
    "h": 210.261,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.42708,
    "c": 0.11211,
    "h": 252.6
  },
  "luminance": 0.07754
}

Semantic roles & 50–950 ramp

primary

#17508A

secondary

#BE7F3F

accent

#953AEE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #17508A

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

Preview Lab → · Contrast checker → · Palette generator →