#17277A#17277A

#17277A is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.2% C 0.142 H 268.3°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#17277A
RGB	rgb(23, 39, 122)
HSL	hsl(230, 68%, 28%)
HSV	hsv(230, 81%, 48%)
CMYK	cmyk(81.1%, 68%, 0%, 52.2%)
CIE-LAB	lab(20.19, 26.07, -48.87)
CIE-LCH	lch(20.19, 55.39, 298.08°)
OKLab	oklab(32.23% -0.0042 -0.1414)
OKLCH	oklch(32.23% 0.142 268.3)
XYZ	xyz(4.5905, 3.0378, 18.7530)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17277A #7A6A17

analogous

#17587A #17277A #38177A

triadic

#17277A #7A1727 #277A17

tetradic

#17277A #7A1758 #7A6A17 #177A38

square

#17277A #7A1758 #7A6A17 #177A38

split-complementary

#17277A #7A3817 #587A17

monochromatic

#05081A #0D1747 #17277A #2137AD #334ED9

Accessibility & contrast

On white

13.06

#17277A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#17277A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17277A

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17277A	#FFFFFF	#000000	##FFFFFF
##17277A	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367D

Deuteranopia (green-blind)

#002C78

Tritanopia (blue-blind)

#003D4C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #17277a;
/* rgb */ color: rgb(23, 39, 122);
/* oklch */ color: oklch(32.2% 0.142 268.3);

Tailwind

colors: {
  custom: {
    50: '#6661a1',
    500: '#17277a',
    950: '#000000',
  },
}

SCSS

$custom: #17277a;
$custom-light: #6661a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17277a",
  "rgb": {
    "r": 23,
    "g": 39,
    "b": 122
  },
  "hsl": {
    "h": 230.303,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.32232,
    "c": 0.14151,
    "h": 268.3
  },
  "luminance": 0.03038
}

Semantic roles & 50–950 ramp

primary

#17277A

secondary

#AF9D3E

accent

#CF3DEB

background

#F6F5FA

surface

#EBE9F3

border

#C6C5CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #17277A

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

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