#17297E#17297E

#17297E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.0% C 0.145 H 267.8°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#17297E
RGB	rgb(23, 41, 126)
HSL	hsl(230, 69%, 29%)
HSV	hsv(230, 82%, 49%)
CMYK	cmyk(81.7%, 67.5%, 0%, 50.6%)
CIE-LAB	lab(21.11, 26.28, -49.91)
CIE-LCH	lch(21.11, 56.41, 297.76°)
OKLab	oklab(33.02% -0.0055 -0.1445)
OKLCH	oklch(33.02% 0.145 267.8)
XYZ	xyz(4.9109, 3.2738, 20.1077)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17297E #7E6C17

analogous

#175D7E #17297E #39177E

triadic

#17297E #7E1729 #297E17

tetradic

#17297E #7E175D #7E6C17 #177E39

square

#17297E #7E175D #7E6C17 #177E39

split-complementary

#17297E #7E3917 #5D7E17

monochromatic

#05081A #0E184A #17297E #203AB2 #3552DA

Accessibility & contrast

On white

12.69

#17297E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#17297E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17297E

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17297E	#FFFFFF	#000000	##FFFFFF
##17297E	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003881

Deuteranopia (green-blind)

#002E7C

Tritanopia (blue-blind)

#00404F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #17297e;
/* rgb */ color: rgb(23, 41, 126);
/* oklch */ color: oklch(33.0% 0.145 267.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#17297e",
  "rgb": {
    "r": 23,
    "g": 41,
    "b": 126
  },
  "hsl": {
    "h": 229.515,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33022,
    "c": 0.14459,
    "h": 267.8
  },
  "luminance": 0.03274
}

Semantic roles & 50–950 ramp

primary

#17297E

secondary

#B39E3E

accent

#CD3CEC

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #17297E

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

Preview Lab → · Contrast checker → · Palette generator →