#17285A#17285A

#17285A is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.4% C 0.093 H 266.6°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#17285A
RGB	rgb(23, 40, 90)
HSL	hsl(225, 59%, 22%)
HSV	hsv(225, 74%, 35%)
CMYK	cmyk(74.4%, 55.6%, 0%, 64.7%)
CIE-LAB	lab(17.63, 12.28, -32.20)
CIE-LCH	lch(17.63, 34.47, 290.88°)
OKLab	oklab(29.44% -0.0056 -0.0925)
OKLCH	oklch(29.44% 0.093 266.6)
XYZ	xyz(2.9570, 2.4376, 9.9856)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17285A #5A4917

analogous

#174A5A #17285A #28175A

triadic

#17285A #5A1728 #285A17

tetradic

#17285A #5A174A #5A4917 #175A28

square

#17285A #5A174A #5A4917 #175A28

split-complementary

#17285A #5A2817 #4A5A17

monochromatic

#060B18 #0B1229 #17285A #233E8B #3053BB

Accessibility & contrast

On white

14.12

#17285A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#17285A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17285A

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17285A	#FFFFFF	#000000	##FFFFFF
##17285A	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#092E5C

Deuteranopia (green-blind)

#002859

Tritanopia (blue-blind)

#00343C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #17285a;
/* rgb */ color: rgb(23, 40, 90);
/* oklch */ color: oklch(29.4% 0.093 266.6);

Tailwind

colors: {
  custom: {
    50: '#5e6189',
    500: '#17285a',
    950: '#000000',
  },
}

SCSS

$custom: #17285a;
$custom-light: #5e6189;
$custom-dark: #000000;

JSON

{
  "hex": "#17285a",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 90
  },
  "hsl": {
    "h": 224.776,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.29439,
    "c": 0.09268,
    "h": 266.6
  },
  "luminance": 0.02438
}

Semantic roles & 50–950 ramp

primary

#17285A

secondary

#917B3C

accent

#BB45E2

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05050B

muted

#79797C

Preview Lab

Preview with #17285A

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

Preview Lab → · Contrast checker → · Palette generator →