#17233A#17233A

#17233A is a dark, muted blue. Relative luminance 0.017; OKLCH L 25.8% C 0.047 H 262.6°. Best body text is #FFFFFF at 15.70:1 contrast (WCAG AA passes).

Color values

HEX	#17233A
RGB	rgb(23, 35, 58)
HSL	hsl(219, 43%, 16%)
HSV	hsv(219, 60%, 23%)
CMYK	cmyk(60.3%, 39.7%, 0%, 77.3%)
CIE-LAB	lab(13.77, 2.91, -16.46)
CIE-LCH	lch(13.77, 16.71, 280.04°)
OKLab	oklab(25.75% -0.006 -0.0464)
OKLCH	oklch(25.75% 0.047 262.6)
XYZ	xyz(1.7178, 1.6896, 4.2378)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17233A #3A2E17

analogous

#17343A #17233A #1C173A

triadic

#17233A #3A1723 #233A17

tetradic

#17233A #3A1734 #3A2E17 #173A1C

square

#17233A #3A1734 #3A2E17 #173A1C

split-complementary

#17233A #3A1C17 #343A17

monochromatic

#090D16 #090D16 #17233A #283D66 #3A5892

Accessibility & contrast

On white

15.70

#17233A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#17233A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17233A

15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17233A	#FFFFFF	#000000	##FFFFFF
##17233A	1.00	15.70	1.34	15.70
#FFFFFF	15.70	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A253B

Deuteranopia (green-blind)

#16223A

Tritanopia (blue-blind)

#06282B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #17233a;
/* rgb */ color: rgb(23, 35, 58);
/* oklch */ color: oklch(25.8% 0.047 262.6);

Tailwind

colors: {
  custom: {
    50: '#575d70',
    500: '#17233a',
    950: '#000000',
  },
}

SCSS

$custom: #17233a;
$custom-light: #575d70;
$custom-dark: #000000;

JSON

{
  "hex": "#17233a",
  "rgb": {
    "r": 23,
    "g": 35,
    "b": 58
  },
  "hsl": {
    "h": 219.429,
    "s": 43.21,
    "l": 15.882
  },
  "oklch": {
    "l": 0.2575,
    "c": 0.04679,
    "h": 262.6
  },
  "luminance": 0.0169
}

Semantic roles & 50–950 ramp

primary

#17233A

secondary

#715F3C

accent

#A855D3

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #17233A

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

Preview Lab → · Contrast checker → · Palette generator →