#17404D#17404D

#17404D is a dark, muted cyan. Relative luminance 0.044; OKLCH L 34.9% C 0.050 H 222.0°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#17404D
RGB	rgb(23, 64, 77)
HSL	hsl(194, 54%, 20%)
HSV	hsv(194, 70%, 30%)
CMYK	cmyk(70.1%, 16.9%, 0%, 69.8%)
CIE-LAB	lab(24.90, -9.55, -12.11)
CIE-LCH	lch(24.90, 15.43, 231.73°)
OKLab	oklab(34.88% -0.0374 -0.0337)
OKLCH	oklch(34.88% 0.05 222)
XYZ	xyz(3.5258, 4.3844, 7.6802)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17404D #4D2417

analogous

#174D3F #17404D #17254D

triadic

#17404D #4D1740 #404D17

tetradic

#17404D #3F174D #4D2417 #254D17

square

#17404D #3F174D #4D2417 #254D17

split-complementary

#17404D #4D1725 #4D3F17

monochromatic

#071418 #09191E #17404D #25677C #338EAB

Accessibility & contrast

On white

11.19

#17404D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#17404D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17404D

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17404D	#FFFFFF	#000000	##FFFFFF
##17404D	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383E4E

Deuteranopia (green-blind)

#31394D

Tritanopia (blue-blind)

#004444

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #17404d;
/* rgb */ color: rgb(23, 64, 77);
/* oklch */ color: oklch(34.9% 0.050 222.0);

Tailwind

colors: {
  custom: {
    50: '#5b747e',
    500: '#17404d',
    950: '#000000',
  },
}

SCSS

$custom: #17404d;
$custom-light: #5b747e;
$custom-dark: #000000;

JSON

{
  "hex": "#17404d",
  "rgb": {
    "r": 23,
    "g": 64,
    "b": 77
  },
  "hsl": {
    "h": 194.444,
    "s": 54,
    "l": 19.608
  },
  "oklch": {
    "l": 0.34875,
    "c": 0.0504,
    "h": 222
  },
  "luminance": 0.04385
}

Semantic roles & 50–950 ramp

primary

#17404D

secondary

#844D3C

accent

#6E4ADD

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #17404D

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

Preview Lab → · Contrast checker → · Palette generator →