#17297D#17297D

#17297D is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.9% C 0.143 H 267.8°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#17297D
RGB	rgb(23, 41, 125)
HSL	hsl(229, 69%, 29%)
HSV	hsv(229, 82%, 49%)
CMYK	cmyk(81.6%, 67.2%, 0%, 51%)
CIE-LAB	lab(21.01, 25.88, -49.44)
CIE-LCH	lch(21.01, 55.80, 297.63°)
OKLab	oklab(32.92% -0.0055 -0.1431)
OKLCH	oklch(32.92% 0.143 267.8)
XYZ	xyz(4.8467, 3.2481, 19.7696)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17297D #7D6B17

analogous

#175C7D #17297D #38177D

triadic

#17297D #7D1729 #297D17

tetradic

#17297D #7D175C #7D6B17 #177D38

square

#17297D #7D175C #7D6B17 #177D38

split-complementary

#17297D #7D3817 #5C7D17

monochromatic

#05081A #0D1849 #17297D #213AB1 #3552DA

Accessibility & contrast

On white

12.73

#17297D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#17297D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17297D

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17297D	#FFFFFF	#000000	##FFFFFF
##17297D	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003780

Deuteranopia (green-blind)

#002E7B

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #17297d;
/* rgb */ color: rgb(23, 41, 125);
/* oklch */ color: oklch(32.9% 0.143 267.8);

Tailwind

colors: {
  custom: {
    50: '#6762a4',
    500: '#17297d',
    950: '#000000',
  },
}

SCSS

$custom: #17297d;
$custom-light: #6762a4;
$custom-dark: #000000;

JSON

{
  "hex": "#17297d",
  "rgb": {
    "r": 23,
    "g": 41,
    "b": 125
  },
  "hsl": {
    "h": 229.412,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32921,
    "c": 0.1432,
    "h": 267.8
  },
  "luminance": 0.03249
}

Semantic roles & 50–950 ramp

primary

#17297D

secondary

#B29D3E

accent

#CD3CEC

background

#F6F5FA

surface

#EBEAF4

border

#C6C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #17297D

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

Preview Lab → · Contrast checker → · Palette generator →