#172B41#172B41

#172B41 is a dark, muted cyan. Relative luminance 0.023; OKLCH L 28.4% C 0.048 H 252.0°. Best body text is #FFFFFF at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#172B41
RGB	rgb(23, 43, 65)
HSL	hsl(211, 48%, 17%)
HSV	hsv(211, 65%, 25%)
CMYK	cmyk(64.6%, 33.8%, 0%, 74.5%)
CIE-LAB	lab(16.95, -0.15, -16.35)
CIE-LCH	lch(16.95, 16.35, 269.47°)
OKLab	oklab(28.37% -0.015 -0.046)
OKLCH	oklch(28.37% 0.048 252)
XYZ	xyz(2.1710, 2.2914, 5.3279)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172B41 #412D17

analogous

#174041 #172B41 #181741

triadic

#172B41 #41172B #2B4117

tetradic

#172B41 #411740 #412D17 #174118

square

#172B41 #411740 #412D17 #174118

split-complementary

#172B41 #411817 #404117

monochromatic

#080F17 #080F17 #172B41 #27496E #37679B

Accessibility & contrast

On white

14.40

#172B41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#172B41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172B41

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172B41	#FFFFFF	#000000	##FFFFFF
##172B41	1.00	14.40	1.46	14.40
#FFFFFF	14.40	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222C42

Deuteranopia (green-blind)

#1C2841

Tritanopia (blue-blind)

#003033

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #172b41;
/* rgb */ color: rgb(23, 43, 65);
/* oklch */ color: oklch(28.4% 0.048 252.0);

Tailwind

colors: {
  custom: {
    50: '#586475',
    500: '#172b41',
    950: '#000000',
  },
}

SCSS

$custom: #172b41;
$custom-light: #586475;
$custom-dark: #000000;

JSON

{
  "hex": "#172b41",
  "rgb": {
    "r": 23,
    "g": 43,
    "b": 65
  },
  "hsl": {
    "h": 211.429,
    "s": 47.727,
    "l": 17.255
  },
  "oklch": {
    "l": 0.28368,
    "c": 0.04839,
    "h": 252
  },
  "luminance": 0.02292
}

Semantic roles & 50–950 ramp

primary

#172B41

secondary

#785B3C

accent

#9750D7

background

#F5F5F7

surface

#E9EAED

border

#C5C6C8

text

#030508

muted

#78797B

Preview Lab

Preview with #172B41

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

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