#17197B#17197B

#17197B is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.159 H 270.8°. Best body text is #FFFFFF at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#17197B
RGB	rgb(23, 25, 123)
HSL	hsl(239, 68%, 29%)
HSV	hsv(239, 81%, 48%)
CMYK	cmyk(81.3%, 79.7%, 0%, 51.8%)
CIE-LAB	lab(17.02, 35.48, -54.74)
CIE-LCH	lch(17.02, 65.23, 302.95°)
OKLab	oklab(29.98% 0.0023 -0.1585)
OKLCH	oklch(29.98% 0.159 270.8)
XYZ	xyz(4.2749, 2.3070, 18.9550)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17197B #7B7917

analogous

#174B7B #17197B #47177B

triadic

#17197B #7B1719 #197B17

tetradic

#17197B #7B174B #7B7917 #177B47

square

#17197B #7B174B #7B7917 #177B47

split-complementary

#17197B #7B4717 #4B7B17

monochromatic

#05051A #0D0F47 #17197B #2123AF #3337D9

Accessibility & contrast

On white

14.37

#17197B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#17197B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17197B

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17197B	#FFFFFF	#000000	##FFFFFF
##17197B	1.00	14.37	1.46	14.37
#FFFFFF	14.37	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7E

Deuteranopia (green-blind)

#002579

Tritanopia (blue-blind)

#003749

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #17197b;
/* rgb */ color: rgb(23, 25, 123);
/* oklch */ color: oklch(30.0% 0.159 270.8);

Tailwind

colors: {
  custom: {
    50: '#6857a2',
    500: '#17197b',
    950: '#000000',
  },
}

SCSS

$custom: #17197b;
$custom-light: #6857a2;
$custom-dark: #000000;

JSON

{
  "hex": "#17197b",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 123
  },
  "hsl": {
    "h": 238.8,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.29982,
    "c": 0.15853,
    "h": 270.8
  },
  "luminance": 0.02307
}

Semantic roles & 50–950 ramp

primary

#17197B

secondary

#B0AE3E

accent

#E83CEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #17197B

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

Preview Lab → · Contrast checker → · Palette generator →