#17297F#17297F

#17297F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.1% C 0.146 H 267.8°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#17297F
RGB	rgb(23, 41, 127)
HSL	hsl(230, 69%, 29%)
HSV	hsv(230, 82%, 50%)
CMYK	cmyk(81.9%, 67.7%, 0%, 50.2%)
CIE-LAB	lab(21.21, 26.67, -50.38)
CIE-LCH	lch(21.21, 57.01, 297.89°)
OKLab	oklab(33.12% -0.0056 -0.1459)
OKLCH	oklch(33.12% 0.146 267.8)
XYZ	xyz(4.9757, 3.2998, 20.4492)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17297F #7F6D17

analogous

#175D7F #17297F #39177F

triadic

#17297F #7F1729 #297F17

tetradic

#17297F #7F175D #7F6D17 #177F39

square

#17297F #7F175D #7F6D17 #177F39

split-complementary

#17297F #7F3917 #5D7F17

monochromatic

#05081A #0E184B #17297F #203AB3 #3652DB

Accessibility & contrast

On white

12.65

#17297F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#17297F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17297F

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17297F	#FFFFFF	#000000	##FFFFFF
##17297F	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003882

Deuteranopia (green-blind)

#002E7D

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #17297f;
/* rgb */ color: rgb(23, 41, 127);
/* oklch */ color: oklch(33.1% 0.146 267.8);

Tailwind

colors: {
  custom: {
    50: '#6862a5',
    500: '#17297f',
    950: '#000000',
  },
}

SCSS

$custom: #17297f;
$custom-light: #6862a5;
$custom-dark: #000000;

JSON

{
  "hex": "#17297f",
  "rgb": {
    "r": 23,
    "g": 41,
    "b": 127
  },
  "hsl": {
    "h": 229.615,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33124,
    "c": 0.14597,
    "h": 267.8
  },
  "luminance": 0.033
}

Semantic roles & 50–950 ramp

primary

#17297F

secondary

#B49F3E

accent

#CE3CEC

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #17297F

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

Preview Lab → · Contrast checker → · Palette generator →