#17277E#17277E

#17277E is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.6% C 0.147 H 268.3°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#17277E
RGB	rgb(23, 39, 126)
HSL	hsl(231, 69%, 29%)
HSV	hsv(231, 82%, 49%)
CMYK	cmyk(81.7%, 69%, 0%, 50.6%)
CIE-LAB	lab(20.59, 27.65, -50.76)
CIE-LCH	lch(20.59, 57.80, 298.57°)
OKLab	oklab(32.64% -0.0044 -0.147)
OKLCH	oklch(32.64% 0.147 268.3)
XYZ	xyz(4.8435, 3.1390, 20.0852)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17277E #7E6E17

analogous

#175B7E #17277E #3B177E

triadic

#17277E #7E1727 #277E17

tetradic

#17277E #7E175B #7E6E17 #177E3B

square

#17277E #7E175B #7E6E17 #177E3B

split-complementary

#17277E #7E3B17 #5B7E17

monochromatic

#05081A #0E174A #17277E #2037B2 #354FDA

Accessibility & contrast

On white

12.90

#17277E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#17277E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17277E

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17277E	#FFFFFF	#000000	##FFFFFF
##17277E	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003781

Deuteranopia (green-blind)

#002D7C

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #17277e;
/* rgb */ color: rgb(23, 39, 126);
/* oklch */ color: oklch(32.6% 0.147 268.3);

Tailwind

colors: {
  custom: {
    50: '#6861a4',
    500: '#17277e',
    950: '#000000',
  },
}

SCSS

$custom: #17277e;
$custom-light: #6861a4;
$custom-dark: #000000;

JSON

{
  "hex": "#17277e",
  "rgb": {
    "r": 23,
    "g": 39,
    "b": 126
  },
  "hsl": {
    "h": 230.68,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32644,
    "c": 0.14704,
    "h": 268.3
  },
  "luminance": 0.0314
}

Semantic roles & 50–950 ramp

primary

#17277E

secondary

#B3A13E

accent

#D13CEC

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #17277E

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

Preview Lab → · Contrast checker → · Palette generator →