#17223B#17223B

#17223B is a dark, muted blue. Relative luminance 0.016; OKLCH L 25.6% C 0.050 H 265.1°. Best body text is #FFFFFF at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#17223B
RGB	rgb(23, 34, 59)
HSL	hsl(222, 44%, 16%)
HSV	hsv(222, 61%, 23%)
CMYK	cmyk(61%, 42.4%, 0%, 76.9%)
CIE-LAB	lab(13.48, 4.05, -17.61)
CIE-LCH	lch(13.48, 18.07, 282.95°)
OKLab	oklab(25.55% -0.0043 -0.0498)
OKLCH	oklch(25.55% 0.05 265.1)
XYZ	xyz(1.7145, 1.6419, 4.3634)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17223B #3B3017

analogous

#17343B #17223B #1E173B

triadic

#17223B #3B1722 #223B17

tetradic

#17223B #3B1734 #3B3017 #173B1E

square

#17223B #3B1734 #3B3017 #173B1E

split-complementary

#17223B #3B1E17 #343B17

monochromatic

#090D16 #090D16 #17223B #283B67 #395593

Accessibility & contrast

On white

15.81

#17223B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#17223B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17223B

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17223B	#FFFFFF	#000000	##FFFFFF
##17223B	1.00	15.81	1.33	15.81
#FFFFFF	15.81	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18243C

Deuteranopia (green-blind)

#14213A

Tritanopia (blue-blind)

#06272B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #17223b;
/* rgb */ color: rgb(23, 34, 59);
/* oklch */ color: oklch(25.6% 0.050 265.1);

Tailwind

colors: {
  custom: {
    50: '#575c71',
    500: '#17223b',
    950: '#000000',
  },
}

SCSS

$custom: #17223b;
$custom-light: #575c71;
$custom-dark: #000000;

JSON

{
  "hex": "#17223b",
  "rgb": {
    "r": 23,
    "g": 34,
    "b": 59
  },
  "hsl": {
    "h": 221.667,
    "s": 43.902,
    "l": 16.078
  },
  "oklch": {
    "l": 0.25551,
    "c": 0.04994,
    "h": 265.1
  },
  "luminance": 0.01642
}

Semantic roles & 50–950 ramp

primary

#17223B

secondary

#72613C

accent

#AD54D4

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #17223B

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

Preview Lab → · Contrast checker → · Palette generator →