#17204F#17204F

#17204F is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.6% C 0.087 H 271.2°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#17204F
RGB	rgb(23, 32, 79)
HSL	hsl(230, 55%, 20%)
HSV	hsv(230, 71%, 31%)
CMYK	cmyk(70.9%, 59.5%, 0%, 69%)
CIE-LAB	lab(14.28, 13.68, -30.20)
CIE-LCH	lch(14.28, 33.15, 294.37°)
OKLab	oklab(26.63% 0.0018 -0.0867)
OKLCH	oklch(26.63% 0.087 271.2)
XYZ	xyz(2.2807, 1.7795, 7.6189)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17204F #4F4617

analogous

#173C4F #17204F #2A174F

triadic

#17204F #4F1720 #204F17

tetradic

#17204F #4F173C #4F4617 #174F2A

square

#17204F #4F173C #4F4617 #174F2A

split-complementary

#17204F #4F2A17 #3C4F17

monochromatic

#070A18 #090D20 #17204F #25337E #3346AE

Accessibility & contrast

On white

15.49

#17204F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#17204F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17204F

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17204F	#FFFFFF	#000000	##FFFFFF
##17204F	1.00	15.49	1.36	15.49
#FFFFFF	15.49	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022751

Deuteranopia (green-blind)

#00224E

Tritanopia (blue-blind)

#002B34

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #17204f;
/* rgb */ color: rgb(23, 32, 79);
/* oklch */ color: oklch(26.6% 0.087 271.2);

Tailwind

colors: {
  custom: {
    50: '#5c5b81',
    500: '#17204f',
    950: '#000000',
  },
}

SCSS

$custom: #17204f;
$custom-light: #5c5b81;
$custom-dark: #000000;

JSON

{
  "hex": "#17204f",
  "rgb": {
    "r": 23,
    "g": 32,
    "b": 79
  },
  "hsl": {
    "h": 230.357,
    "s": 54.902,
    "l": 20
  },
  "oklch": {
    "l": 0.26629,
    "c": 0.08677,
    "h": 271.2
  },
  "luminance": 0.0178
}

Semantic roles & 50–950 ramp

primary

#17204F

secondary

#867A3C

accent

#C64ADE

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #17204F

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

Preview Lab → · Contrast checker → · Palette generator →