#17185E#17185E

#17185E is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.5% C 0.121 H 273.8°. Best body text is #FFFFFF at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#17185E
RGB	rgb(23, 24, 94)
HSL	hsl(239, 61%, 23%)
HSV	hsv(239, 76%, 37%)
CMYK	cmyk(75.5%, 74.5%, 0%, 63.1%)
CIE-LAB	lab(13.49, 25.44, -41.63)
CIE-LCH	lch(13.49, 48.78, 301.43°)
OKLab	oklab(26.49% 0.0081 -0.1203)
OKLCH	oklch(26.49% 0.121 273.8)
XYZ	xyz(2.6997, 1.6433, 10.7624)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17185E #5E5D17

analogous

#173B5E #17185E #39175E

triadic

#17185E #5E1718 #185E17

tetradic

#17185E #5E173B #5E5D17 #175E39

square

#17185E #5E173B #5E5D17 #175E39

split-complementary

#17185E #5E3917 #3B5E17

monochromatic

#060619 #0B0B2D #17185E #23258F #2F31C0

Accessibility & contrast

On white

15.80

#17185E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#17185E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17185E

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17185E	#FFFFFF	#000000	##FFFFFF
##17185E	1.00	15.80	1.33	15.80
#FFFFFF	15.80	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002660

Deuteranopia (green-blind)

#001F5D

Tritanopia (blue-blind)

#002B39

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #17185e;
/* rgb */ color: rgb(23, 24, 94);
/* oklch */ color: oklch(26.5% 0.121 273.8);

Tailwind

colors: {
  custom: {
    50: '#60558c',
    500: '#17185e',
    950: '#000000',
  },
}

SCSS

$custom: #17185e;
$custom-light: #60558c;
$custom-dark: #000000;

JSON

{
  "hex": "#17185e",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 94
  },
  "hsl": {
    "h": 239.155,
    "s": 60.684,
    "l": 22.941
  },
  "oklch": {
    "l": 0.26486,
    "c": 0.1206,
    "h": 273.8
  },
  "luminance": 0.01644
}

Semantic roles & 50–950 ramp

primary

#17185E

secondary

#95933C

accent

#E244E4

background

#F6F5F8

surface

#EBE8F0

border

#C6C4CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #17185E

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

Preview Lab → · Contrast checker → · Palette generator →