#17204A#17204A

#17204A is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.2% C 0.079 H 271.0°. Best body text is #FFFFFF at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#17204A
RGB	rgb(23, 32, 74)
HSL	hsl(229, 53%, 19%)
HSV	hsv(229, 69%, 29%)
CMYK	cmyk(68.9%, 56.8%, 0%, 71%)
CIE-LAB	lab(13.88, 11.62, -27.42)
CIE-LCH	lch(13.88, 29.79, 292.97°)
OKLab	oklab(26.2% 0.0013 -0.0786)
OKLCH	oklch(26.2% 0.079 271)
XYZ	xyz(2.1055, 1.7094, 6.6962)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17204A #4A4117

analogous

#173A4A #17204A #28174A

triadic

#17204A #4A1720 #204A17

tetradic

#17204A #4A173A #4A4117 #174A28

square

#17204A #4A173A #4A4117 #174A28

split-complementary

#17204A #4A2817 #3A4A17

monochromatic

#070A17 #080C1B #17204A #263479 #3448A7

Accessibility & contrast

On white

15.65

#17204A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#17204A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17204A

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17204A	#FFFFFF	#000000	##FFFFFF
##17204A	1.00	15.65	1.34	15.65
#FFFFFF	15.65	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08264B

Deuteranopia (green-blind)

#002149

Tritanopia (blue-blind)

#002A31

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #17204a;
/* rgb */ color: rgb(23, 32, 74);
/* oklch */ color: oklch(26.2% 0.079 271.0);

Tailwind

colors: {
  custom: {
    50: '#5a5b7d',
    500: '#17204a',
    950: '#000000',
  },
}

SCSS

$custom: #17204a;
$custom-light: #5a5b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#17204a",
  "rgb": {
    "r": 23,
    "g": 32,
    "b": 74
  },
  "hsl": {
    "h": 229.412,
    "s": 52.577,
    "l": 19.02
  },
  "oklch": {
    "l": 0.26197,
    "c": 0.07859,
    "h": 271
  },
  "luminance": 0.0171
}

Semantic roles & 50–950 ramp

primary

#17204A

secondary

#81753C

accent

#C34CDC

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040409

muted

#79797B

Preview Lab

Preview with #17204A

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

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