#17128F#17128F

#17128F is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.6% C 0.189 H 269.9°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#17128F
RGB	rgb(23, 18, 143)
HSL	hsl(242, 78%, 32%)
HSV	hsv(242, 87%, 56%)
CMYK	cmyk(83.9%, 87.4%, 0%, 43.9%)
CIE-LAB	lab(18.35, 45.62, -65.15)
CIE-LCH	lch(18.35, 79.54, 305.00°)
OKLab	oklab(31.64% -0.0005 -0.1885)
OKLCH	oklch(31.64% 0.189 269.9)
XYZ	xyz(5.5259, 2.5973, 26.1914)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17128F #8A8F12

analogous

#124C8F #17128F #56128F

triadic

#17128F #8F1712 #128F17

tetradic

#17128F #8F124C #8A8F12 #128F56

square

#17128F #8F124C #8A8F12 #128F56

split-complementary

#17128F #8F5612 #4C8F12

monochromatic

#060422 #0E0B59 #17128F #2019C5 #3D36E6

Accessibility & contrast

On white

13.82

#17128F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#17128F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17128F

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17128F	#FFFFFF	#000000	##FFFFFF
##17128F	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003392

Deuteranopia (green-blind)

#00268D

Tritanopia (blue-blind)

#003C54

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #17128f;
/* rgb */ color: rgb(23, 18, 143);
/* oklch */ color: oklch(31.6% 0.189 269.9);

Tailwind

colors: {
  custom: {
    50: '#6e55b1',
    500: '#17128f',
    950: '#000000',
  },
}

SCSS

$custom: #17128f;
$custom-light: #6e55b1;
$custom-dark: #000000;

JSON

{
  "hex": "#17128f",
  "rgb": {
    "r": 23,
    "g": 18,
    "b": 143
  },
  "hsl": {
    "h": 242.4,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31636,
    "c": 0.18852,
    "h": 269.9
  },
  "luminance": 0.02598
}

Semantic roles & 50–950 ramp

primary

#17128F

secondary

#BEC33A

accent

#F434EC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #17128F

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

Preview Lab → · Contrast checker → · Palette generator →