#17185F#17185F

#17185F is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.6% C 0.122 H 273.7°. Best body text is #FFFFFF at 15.76:1 contrast (WCAG AA passes).

Color values

HEX	#17185F
RGB	rgb(23, 24, 95)
HSL	hsl(239, 61%, 23%)
HSV	hsv(239, 76%, 37%)
CMYK	cmyk(75.8%, 74.7%, 0%, 62.7%)
CIE-LAB	lab(13.60, 25.82, -42.12)
CIE-LCH	lch(13.60, 49.40, 301.51°)
OKLab	oklab(26.6% 0.0079 -0.1218)
OKLCH	oklch(26.6% 0.122 273.7)
XYZ	xyz(2.7449, 1.6614, 11.0003)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17185F #5F5E17

analogous

#173C5F #17185F #3A175F

triadic

#17185F #5F1718 #185F17

tetradic

#17185F #5F173C #5F5E17 #175F3A

square

#17185F #5F173C #5F5E17 #175F3A

split-complementary

#17185F #5F3A17 #3C5F17

monochromatic

#060619 #0B0C2E #17185F #232490 #2F31C2

Accessibility & contrast

On white

15.76

#17185F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#17185F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17185F

15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17185F	#FFFFFF	#000000	##FFFFFF
##17185F	1.00	15.76	1.33	15.76
#FFFFFF	15.76	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002661

Deuteranopia (green-blind)

#001F5E

Tritanopia (blue-blind)

#002C39

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #17185f;
/* rgb */ color: rgb(23, 24, 95);
/* oklch */ color: oklch(26.6% 0.122 273.7);

Tailwind

colors: {
  custom: {
    50: '#61558d',
    500: '#17185f',
    950: '#000000',
  },
}

SCSS

$custom: #17185f;
$custom-light: #61558d;
$custom-dark: #000000;

JSON

{
  "hex": "#17185f",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 95
  },
  "hsl": {
    "h": 239.167,
    "s": 61.017,
    "l": 23.137
  },
  "oklch": {
    "l": 0.26596,
    "c": 0.12202,
    "h": 273.7
  },
  "luminance": 0.01662
}

Semantic roles & 50–950 ramp

primary

#17185F

secondary

#96943C

accent

#E244E4

background

#F6F5F8

surface

#EBE8F0

border

#C6C4CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #17185F

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

Preview Lab → · Contrast checker → · Palette generator →