#17177E#17177E

#17177E is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.164 H 270.8°. Best body text is #FFFFFF at 14.38:1 contrast (WCAG AA passes).

Color values

HEX	#17177E
RGB	rgb(23, 23, 126)
HSL	hsl(240, 69%, 29%)
HSV	hsv(240, 82%, 49%)
CMYK	cmyk(81.7%, 81.7%, 0%, 50.6%)
CIE-LAB	lab(16.99, 37.65, -56.70)
CIE-LCH	lch(16.99, 68.07, 303.59°)
OKLab	oklab(30.07% 0.0024 -0.1642)
OKLCH	oklch(30.07% 0.164 270.8)
XYZ	xyz(4.4244, 2.3008, 19.9455)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17177E #7E7E17

analogous

#174B7E #17177E #4B177E

triadic

#17177E #7E1717 #177E17

tetradic

#17177E #7E174B #7E7E17 #177E4B

square

#17177E #7E174B #7E7E17 #177E4B

split-complementary

#17177E #7E4B17 #4B7E17

monochromatic

#05051A #0E0E4A #17177E #2020B2 #3535DA

Accessibility & contrast

On white

14.38

#17177E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#17177E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17177E

14.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17177E	#FFFFFF	#000000	##FFFFFF
##17177E	1.00	14.38	1.46	14.38
#FFFFFF	14.38	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F81

Deuteranopia (green-blind)

#00247C

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #17177e;
/* rgb */ color: rgb(23, 23, 126);
/* oklch */ color: oklch(30.1% 0.164 270.8);

Tailwind

colors: {
  custom: {
    50: '#6956a5',
    500: '#17177e',
    950: '#000000',
  },
}

SCSS

$custom: #17177e;
$custom-light: #6956a5;
$custom-dark: #000000;

JSON

{
  "hex": "#17177e",
  "rgb": {
    "r": 23,
    "g": 23,
    "b": 126
  },
  "hsl": {
    "h": 240,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30068,
    "c": 0.16419,
    "h": 270.8
  },
  "luminance": 0.02301
}

Semantic roles & 50–950 ramp

primary

#17177E

secondary

#B3B33E

accent

#EC3CEC

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #17177E

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

Preview Lab → · Contrast checker → · Palette generator →