#172C41#172C41

#172C41 is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.6% C 0.047 H 249.8°. Best body text is #FFFFFF at 14.26:1 contrast (WCAG AA passes).

Color values

HEX	#172C41
RGB	rgb(23, 44, 65)
HSL	hsl(210, 48%, 17%)
HSV	hsv(210, 65%, 25%)
CMYK	cmyk(64.6%, 32.3%, 0%, 74.5%)
CIE-LAB	lab(17.30, -0.86, -15.80)
CIE-LCH	lch(17.30, 15.82, 266.89°)
OKLab	oklab(28.64% -0.0163 -0.0444)
OKLCH	oklch(28.64% 0.047 249.8)
XYZ	xyz(2.2078, 2.3650, 5.3401)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172C41 #412C17

analogous

#174141 #172C41 #171741

triadic

#172C41 #41172C #2C4117

tetradic

#172C41 #411741 #412C17 #174117

square

#172C41 #411741 #412C17 #174117

split-complementary

#172C41 #411717 #414117

monochromatic

#080F17 #080F17 #172C41 #274B6E #37699B

Accessibility & contrast

On white

14.26

#172C41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#172C41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172C41

14.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172C41	#FFFFFF	#000000	##FFFFFF
##172C41	1.00	14.26	1.47	14.26
#FFFFFF	14.26	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232D42

Deuteranopia (green-blind)

#1E2941

Tritanopia (blue-blind)

#003133

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #172c41;
/* rgb */ color: rgb(23, 44, 65);
/* oklch */ color: oklch(28.6% 0.047 249.8);

Tailwind

colors: {
  custom: {
    50: '#586475',
    500: '#172c41',
    950: '#000000',
  },
}

SCSS

$custom: #172c41;
$custom-light: #586475;
$custom-dark: #000000;

JSON

{
  "hex": "#172c41",
  "rgb": {
    "r": 23,
    "g": 44,
    "b": 65
  },
  "hsl": {
    "h": 210,
    "s": 47.727,
    "l": 17.255
  },
  "oklch": {
    "l": 0.28642,
    "c": 0.04733,
    "h": 249.8
  },
  "luminance": 0.02365
}

Semantic roles & 50–950 ramp

primary

#172C41

secondary

#785A3C

accent

#9450D7

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030508

muted

#787A7B

Preview Lab

Preview with #172C41

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

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