#17374F#17374F

#17374F is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.5% C 0.057 H 243.6°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#17374F
RGB	rgb(23, 55, 79)
HSL	hsl(206, 55%, 20%)
HSV	hsv(206, 71%, 31%)
CMYK	cmyk(70.9%, 30.4%, 0%, 69%)
CIE-LAB	lab(21.87, -2.95, -18.14)
CIE-LCH	lch(21.87, 18.37, 260.76°)
OKLab	oklab(32.49% -0.0254 -0.0511)
OKLCH	oklch(32.49% 0.057 243.6)
XYZ	xyz(3.1303, 3.4787, 7.9021)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17374F #4F2F17

analogous

#174F4B #17374F #171B4F

triadic

#17374F #4F1737 #374F17

tetradic

#17374F #4B174F #4F2F17 #1B4F17

square

#17374F #4B174F #4F2F17 #1B4F17

split-complementary

#17374F #4F171B #4F4B17

monochromatic

#071118 #091620 #17374F #25587E #3379AE

Accessibility & contrast

On white

12.38

#17374F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#17374F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17374F

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17374F	#FFFFFF	#000000	##FFFFFF
##17374F	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3750

Deuteranopia (green-blind)

#25324F

Tritanopia (blue-blind)

#003D3F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #17374f;
/* rgb */ color: rgb(23, 55, 79);
/* oklch */ color: oklch(32.5% 0.057 243.6);

Tailwind

colors: {
  custom: {
    50: '#5b6d80',
    500: '#17374f',
    950: '#000000',
  },
}

SCSS

$custom: #17374f;
$custom-light: #5b6d80;
$custom-dark: #000000;

JSON

{
  "hex": "#17374f",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 79
  },
  "hsl": {
    "h": 205.714,
    "s": 54.902,
    "l": 20
  },
  "oklch": {
    "l": 0.32491,
    "c": 0.05706,
    "h": 243.6
  },
  "luminance": 0.03479
}

Semantic roles & 50–950 ramp

primary

#17374F

secondary

#865C3C

accent

#894ADE

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #17374F

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

Preview Lab → · Contrast checker → · Palette generator →