#17223C#17223C

#17223C is a dark, muted blue. Relative luminance 0.017; OKLCH L 25.6% C 0.052 H 265.6°. Best body text is #FFFFFF at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#17223C
RGB	rgb(23, 34, 60)
HSL	hsl(222, 45%, 16%)
HSV	hsv(222, 62%, 24%)
CMYK	cmyk(61.7%, 43.3%, 0%, 76.5%)
CIE-LAB	lab(13.55, 4.44, -18.21)
CIE-LCH	lch(13.55, 18.75, 283.71°)
OKLab	oklab(25.62% -0.004 -0.0515)
OKLCH	oklch(25.62% 0.052 265.6)
XYZ	xyz(1.7407, 1.6523, 4.5013)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17223C #3C3117

analogous

#17353C #17223C #1F173C

triadic

#17223C #3C1722 #223C17

tetradic

#17223C #3C1735 #3C3117 #173C1F

square

#17223C #3C1735 #3C3117 #173C1F

split-complementary

#17223C #3C1F17 #353C17

monochromatic

#080D16 #080D16 #17223C #283B68 #395494

Accessibility & contrast

On white

15.78

#17223C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#17223C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17223C

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17223C	#FFFFFF	#000000	##FFFFFF
##17223C	1.00	15.78	1.33	15.78
#FFFFFF	15.78	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18243D

Deuteranopia (green-blind)

#13213B

Tritanopia (blue-blind)

#05282C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #17223c;
/* rgb */ color: rgb(23, 34, 60);
/* oklch */ color: oklch(25.6% 0.052 265.6);

Tailwind

colors: {
  custom: {
    50: '#575c72',
    500: '#17223c',
    950: '#000000',
  },
}

SCSS

$custom: #17223c;
$custom-light: #575c72;
$custom-dark: #000000;

JSON

{
  "hex": "#17223c",
  "rgb": {
    "r": 23,
    "g": 34,
    "b": 60
  },
  "hsl": {
    "h": 222.162,
    "s": 44.578,
    "l": 16.275
  },
  "oklch": {
    "l": 0.25619,
    "c": 0.05169,
    "h": 265.6
  },
  "luminance": 0.01652
}

Semantic roles & 50–950 ramp

primary

#17223C

secondary

#73623C

accent

#AE54D4

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030408

muted

#78797B

Preview Lab

Preview with #17223C

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

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