#172F47#172F47

#172F47 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.8% C 0.053 H 250.0°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#172F47
RGB	rgb(23, 47, 71)
HSL	hsl(210, 51%, 18%)
HSV	hsv(210, 68%, 28%)
CMYK	cmyk(67.6%, 33.8%, 0%, 72.2%)
CIE-LAB	lab(18.67, -0.61, -17.76)
CIE-LCH	lch(18.67, 17.77, 268.04°)
OKLab	oklab(29.83% -0.0182 -0.0501)
OKLCH	oklch(29.83% 0.053 250)
XYZ	xyz(2.5068, 2.6699, 6.3432)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172F47 #472F17

analogous

#174747 #172F47 #171747

triadic

#172F47 #47172F #2F4717

tetradic

#172F47 #471747 #472F17 #174717

square

#172F47 #471747 #472F17 #174717

split-complementary

#172F47 #471717 #474717

monochromatic

#070F17 #081019 #172F47 #264E75 #356CA3

Accessibility & contrast

On white

13.69

#172F47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#172F47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172F47

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172F47	#FFFFFF	#000000	##FFFFFF
##172F47	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253048

Deuteranopia (green-blind)

#1E2B47

Tritanopia (blue-blind)

#003537

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172f47;
/* rgb */ color: rgb(23, 47, 71);
/* oklch */ color: oklch(29.8% 0.053 250.0);

Tailwind

colors: {
  custom: {
    50: '#59677a',
    500: '#172f47',
    950: '#000000',
  },
}

SCSS

$custom: #172f47;
$custom-light: #59677a;
$custom-dark: #000000;

JSON

{
  "hex": "#172f47",
  "rgb": {
    "r": 23,
    "g": 47,
    "b": 71
  },
  "hsl": {
    "h": 210,
    "s": 51.064,
    "l": 18.431
  },
  "oklch": {
    "l": 0.2983,
    "c": 0.05326,
    "h": 250
  },
  "luminance": 0.0267
}

Semantic roles & 50–950 ramp

primary

#172F47

secondary

#7E5D3C

accent

#944DDB

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #172F47

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

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