#17404F#17404F

#17404F is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.0% C 0.052 H 225.4°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#17404F
RGB	rgb(23, 64, 79)
HSL	hsl(196, 55%, 20%)
HSV	hsv(196, 71%, 31%)
CMYK	cmyk(70.9%, 19%, 0%, 69%)
CIE-LAB	lab(24.99, -8.82, -13.29)
CIE-LCH	lch(24.99, 15.95, 236.45°)
OKLab	oklab(34.98% -0.0365 -0.0371)
OKLCH	oklch(34.98% 0.052 225.4)
XYZ	xyz(3.5975, 4.4131, 8.0578)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17404F #4F2617

analogous

#174F42 #17404F #17244F

triadic

#17404F #4F1740 #404F17

tetradic

#17404F #42174F #4F2617 #244F17

square

#17404F #42174F #4F2617 #244F17

split-complementary

#17404F #4F1724 #4F4217

monochromatic

#071318 #091A20 #17404F #25667E #338DAE

Accessibility & contrast

On white

11.15

#17404F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#17404F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17404F

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17404F	#FFFFFF	#000000	##FFFFFF
##17404F	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383F50

Deuteranopia (green-blind)

#30394F

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #17404f;
/* rgb */ color: rgb(23, 64, 79);
/* oklch */ color: oklch(35.0% 0.052 225.4);

Tailwind

colors: {
  custom: {
    50: '#5c7480',
    500: '#17404f',
    950: '#000000',
  },
}

SCSS

$custom: #17404f;
$custom-light: #5c7480;
$custom-dark: #000000;

JSON

{
  "hex": "#17404f",
  "rgb": {
    "r": 23,
    "g": 64,
    "b": 79
  },
  "hsl": {
    "h": 196.071,
    "s": 54.902,
    "l": 20
  },
  "oklch": {
    "l": 0.34976,
    "c": 0.05208,
    "h": 225.4
  },
  "luminance": 0.04413
}

Semantic roles & 50–950 ramp

primary

#17404F

secondary

#86503C

accent

#714ADE

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #17404F

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

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