#172E41#172E41

#172E41 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.2% C 0.045 H 245.2°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#172E41
RGB	rgb(23, 46, 65)
HSL	hsl(207, 48%, 17%)
HSV	hsv(207, 65%, 25%)
CMYK	cmyk(64.6%, 29.2%, 0%, 74.5%)
CIE-LAB	lab(18.00, -2.26, -14.71)
CIE-LCH	lch(18.00, 14.88, 261.28°)
OKLab	oklab(29.19% -0.0191 -0.0412)
OKLCH	oklch(29.19% 0.045 245.2)
XYZ	xyz(2.2841, 2.5176, 5.3656)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E41 #412A17

analogous

#17413F #172E41 #171941

triadic

#172E41 #41172E #2E4117

tetradic

#172E41 #3F1741 #412A17 #194117

square

#172E41 #3F1741 #412A17 #194117

split-complementary

#172E41 #411719 #413F17

monochromatic

#081017 #081017 #172E41 #274E6E #376E9B

Accessibility & contrast

On white

13.97

#172E41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#172E41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E41

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E41	#FFFFFF	#000000	##FFFFFF
##172E41	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262E42

Deuteranopia (green-blind)

#202A41

Tritanopia (blue-blind)

#003335

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172e41;
/* rgb */ color: rgb(23, 46, 65);
/* oklch */ color: oklch(29.2% 0.045 245.2);

Tailwind

colors: {
  custom: {
    50: '#586675',
    500: '#172e41',
    950: '#000000',
  },
}

SCSS

$custom: #172e41;
$custom-light: #586675;
$custom-dark: #000000;

JSON

{
  "hex": "#172e41",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 65
  },
  "hsl": {
    "h": 207.143,
    "s": 47.727,
    "l": 17.255
  },
  "oklch": {
    "l": 0.29194,
    "c": 0.04545,
    "h": 245.2
  },
  "luminance": 0.02518
}

Semantic roles & 50–950 ramp

primary

#172E41

secondary

#78573C

accent

#8D50D7

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #172E41

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

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