#17517D#17517D

#17517D is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.1% C 0.094 H 246.0°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#17517D
RGB	rgb(23, 81, 125)
HSL	hsl(206, 69%, 29%)
HSV	hsv(206, 82%, 49%)
CMYK	cmyk(81.6%, 35.2%, 0%, 51%)
CIE-LAB	lab(33.02, -1.75, -30.08)
CIE-LCH	lch(33.02, 30.14, 266.67°)
OKLab	oklab(42.11% -0.0381 -0.0855)
OKLCH	oklch(42.11% 0.094 246)
XYZ	xyz(6.9960, 7.5468, 20.4860)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17517D #7D4317

analogous

#177D76 #17517D #171E7D

triadic

#17517D #7D1751 #517D17

tetradic

#17517D #76177D #7D4317 #1E7D17

square

#17517D #76177D #7D4317 #1E7D17

split-complementary

#17517D #7D171E #7D7617

monochromatic

#05111A #0D3049 #17517D #2172B1 #3593DA

Accessibility & contrast

On white

8.37

#17517D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#17517D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17517D

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17517D	#FFFFFF	#000000	##FFFFFF
##17517D	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C537F

Deuteranopia (green-blind)

#2E497C

Tritanopia (blue-blind)

#005C61

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #17517d;
/* rgb */ color: rgb(23, 81, 125);
/* oklch */ color: oklch(42.1% 0.094 246.0);

Tailwind

colors: {
  custom: {
    50: '#6581a3',
    500: '#17517d',
    950: '#000000',
  },
}

SCSS

$custom: #17517d;
$custom-light: #6581a3;
$custom-dark: #000000;

JSON

{
  "hex": "#17517d",
  "rgb": {
    "r": 23,
    "g": 81,
    "b": 125
  },
  "hsl": {
    "h": 205.882,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.42113,
    "c": 0.09364,
    "h": 246
  },
  "luminance": 0.07548
}

Semantic roles & 50–950 ramp

primary

#17517D

secondary

#B2703E

accent

#883CEC

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #17517D

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

Preview Lab → · Contrast checker → · Palette generator →