#173646#173646

#173646 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.7% C 0.047 H 233.4°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#173646
RGB	rgb(23, 54, 70)
HSL	hsl(200, 51%, 18%)
HSV	hsv(200, 67%, 27%)
CMYK	cmyk(67.1%, 22.9%, 0%, 72.5%)
CIE-LAB	lab(21.07, -5.76, -13.35)
CIE-LCH	lch(21.07, 14.54, 246.68°)
OKLab	oklab(31.71% -0.0277 -0.0373)
OKLCH	oklch(31.71% 0.047 233.4)
XYZ	xyz(2.7776, 3.2624, 6.2765)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173646 #462717

analogous

#17463E #173646 #171E46

triadic

#173646 #461736 #364617

tetradic

#173646 #3E1746 #462717 #1E4617

square

#173646 #3E1746 #462717 #1E4617

split-complementary

#173646 #46171E #463E17

monochromatic

#081217 #081218 #173646 #265A74 #357DA2

Accessibility & contrast

On white

12.71

#173646 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#173646 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173646

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173646	#FFFFFF	#000000	##FFFFFF
##173646	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3547

Deuteranopia (green-blind)

#283046

Tritanopia (blue-blind)

#003A3B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #173646;
/* rgb */ color: rgb(23, 54, 70);
/* oklch */ color: oklch(31.7% 0.047 233.4);

Tailwind

colors: {
  custom: {
    50: '#596d79',
    500: '#173646',
    950: '#000000',
  },
}

SCSS

$custom: #173646;
$custom-light: #596d79;
$custom-dark: #000000;

JSON

{
  "hex": "#173646",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 70
  },
  "hsl": {
    "h": 200.426,
    "s": 50.538,
    "l": 18.235
  },
  "oklch": {
    "l": 0.31707,
    "c": 0.04651,
    "h": 233.4
  },
  "luminance": 0.03263
}

Semantic roles & 50–950 ramp

primary

#173646

secondary

#7D523C

accent

#7E4EDA

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040709

muted

#797A7B

Preview Lab

Preview with #173646

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

Preview Lab → · Contrast checker → · Palette generator →