#17404E#17404E

#17404E is a dark, muted cyan. Relative luminance 0.044; OKLCH L 34.9% C 0.051 H 223.8°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#17404E
RGB	rgb(23, 64, 78)
HSL	hsl(195, 54%, 20%)
HSV	hsv(195, 71%, 31%)
CMYK	cmyk(70.5%, 17.9%, 0%, 69.4%)
CIE-LAB	lab(24.95, -9.19, -12.70)
CIE-LCH	lch(24.95, 15.68, 234.13°)
OKLab	oklab(34.92% -0.037 -0.0354)
OKLCH	oklch(34.92% 0.051 223.8)
XYZ	xyz(3.5613, 4.3986, 7.8676)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17404E #4E2517

analogous

#174E41 #17404E #17254E

triadic

#17404E #4E1740 #404E17

tetradic

#17404E #41174E #4E2517 #254E17

square

#17404E #41174E #4E2517 #254E17

split-complementary

#17404E #4E1725 #4E4117

monochromatic

#071318 #09191F #17404E #25677D #338EAD

Accessibility & contrast

On white

11.17

#17404E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#17404E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17404E

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17404E	#FFFFFF	#000000	##FFFFFF
##17404E	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383E4F

Deuteranopia (green-blind)

#30394E

Tritanopia (blue-blind)

#004444

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #17404e;
/* rgb */ color: rgb(23, 64, 78);
/* oklch */ color: oklch(34.9% 0.051 223.8);

Tailwind

colors: {
  custom: {
    50: '#5b747f',
    500: '#17404e',
    950: '#000000',
  },
}

SCSS

$custom: #17404e;
$custom-light: #5b747f;
$custom-dark: #000000;

JSON

{
  "hex": "#17404e",
  "rgb": {
    "r": 23,
    "g": 64,
    "b": 78
  },
  "hsl": {
    "h": 195.273,
    "s": 54.455,
    "l": 19.804
  },
  "oklch": {
    "l": 0.34925,
    "c": 0.05121,
    "h": 223.8
  },
  "luminance": 0.04399
}

Semantic roles & 50–950 ramp

primary

#17404E

secondary

#854E3C

accent

#704ADE

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #17404E

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

Preview Lab → · Contrast checker → · Palette generator →