#17333B#17333B

#17333B is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.3% C 0.037 H 218.7°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#17333B
RGB	rgb(23, 51, 59)
HSL	hsl(193, 44%, 16%)
HSV	hsv(193, 61%, 23%)
CMYK	cmyk(61%, 13.6%, 0%, 76.9%)
CIE-LAB	lab(19.50, -7.83, -8.29)
CIE-LCH	lch(19.50, 11.40, 226.63°)
OKLab	oklab(30.29% -0.0287 -0.023)
OKLCH	oklch(30.29% 0.037 218.7)
XYZ	xyz(2.3263, 2.8654, 4.5673)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17333B #3B1F17

analogous

#173B31 #17333B #17213B

triadic

#17333B #3B1733 #333B17

tetradic

#17333B #31173B #3B1F17 #213B17

square

#17333B #31173B #3B1F17 #213B17

split-complementary

#17333B #3B1721 #3B3117

monochromatic

#091316 #091316 #17333B #285967 #397F93

Accessibility & contrast

On white

13.35

#17333B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#17333B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17333B

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17333B	#FFFFFF	#000000	##FFFFFF
##17333B	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E323B

Deuteranopia (green-blind)

#282D3B

Tritanopia (blue-blind)

#013635

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #17333b;
/* rgb */ color: rgb(23, 51, 59);
/* oklch */ color: oklch(30.3% 0.037 218.7);

Tailwind

colors: {
  custom: {
    50: '#586a70',
    500: '#17333b',
    950: '#000000',
  },
}

SCSS

$custom: #17333b;
$custom-light: #586a70;
$custom-dark: #000000;

JSON

{
  "hex": "#17333b",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 59
  },
  "hsl": {
    "h": 193.333,
    "s": 43.902,
    "l": 16.078
  },
  "oklch": {
    "l": 0.3029,
    "c": 0.03674,
    "h": 218.7
  },
  "luminance": 0.02866
}

Semantic roles & 50–950 ramp

primary

#17333B

secondary

#72483C

accent

#7054D4

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #17333B

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

Preview Lab → · Contrast checker → · Palette generator →