#17283A#17283A

#17283A is a dark, muted cyan. Relative luminance 0.020; OKLCH L 27.1% C 0.041 H 250.9°. Best body text is #FFFFFF at 14.99:1 contrast (WCAG AA passes).

Color values

HEX	#17283A
RGB	rgb(23, 40, 58)
HSL	hsl(211, 43%, 16%)
HSV	hsv(211, 60%, 23%)
CMYK	cmyk(60.3%, 31%, 0%, 77.3%)
CIE-LAB	lab(15.51, -0.72, -13.72)
CIE-LCH	lch(15.51, 13.74, 266.99°)
OKLab	oklab(27.12% -0.0133 -0.0384)
OKLCH	oklch(27.12% 0.041 250.9)
XYZ	xyz(1.8756, 2.0051, 4.2903)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17283A #3A2917

analogous

#17393A #17283A #17173A

triadic

#17283A #3A1728 #283A17

tetradic

#17283A #3A1739 #3A2917 #173A17

square

#17283A #3A1739 #3A2917 #173A17

split-complementary

#17283A #3A1717 #393A17

monochromatic

#090F16 #090F16 #17283A #284666 #3A6492

Accessibility & contrast

On white

14.99

#17283A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#17283A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17283A

14.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17283A	#FFFFFF	#000000	##FFFFFF
##17283A	1.00	14.99	1.40	14.99
#FFFFFF	14.99	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21293B

Deuteranopia (green-blind)

#1C253A

Tritanopia (blue-blind)

#052C2E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #17283a;
/* rgb */ color: rgb(23, 40, 58);
/* oklch */ color: oklch(27.1% 0.041 250.9);

Tailwind

colors: {
  custom: {
    50: '#576170',
    500: '#17283a',
    950: '#000000',
  },
}

SCSS

$custom: #17283a;
$custom-light: #576170;
$custom-dark: #000000;

JSON

{
  "hex": "#17283a",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 58
  },
  "hsl": {
    "h": 210.857,
    "s": 43.21,
    "l": 15.882
  },
  "oklch": {
    "l": 0.27116,
    "c": 0.0407,
    "h": 250.9
  },
  "luminance": 0.02005
}

Semantic roles & 50–950 ramp

primary

#17283A

secondary

#71573C

accent

#9655D3

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030507

muted

#78797A

Preview Lab

Preview with #17283A

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

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