#172B35#172B35

#172B35 is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.7% C 0.032 H 231.2°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#172B35
RGB	rgb(23, 43, 53)
HSL	hsl(200, 39%, 15%)
HSV	hsv(200, 57%, 21%)
CMYK	cmyk(56.6%, 18.9%, 0%, 79.2%)
CIE-LAB	lab(16.34, -4.66, -8.95)
CIE-LCH	lch(16.34, 10.09, 242.48°)
OKLab	oklab(27.69% -0.0199 -0.0248)
OKLCH	oklch(27.69% 0.032 231.2)
XYZ	xyz(1.8596, 2.1668, 3.6877)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172B35 #352117

analogous

#173530 #172B35 #171C35

triadic

#172B35 #35172B #2B3517

tetradic

#172B35 #301735 #352117 #1C3517

square

#172B35 #301735 #352117 #1C3517

split-complementary

#172B35 #35171C #353017

monochromatic

#091115 #091115 #172B35 #2A4E60 #3C708A

Accessibility & contrast

On white

14.65

#172B35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#172B35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172B35

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172B35	#FFFFFF	#000000	##FFFFFF
##172B35	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262A36

Deuteranopia (green-blind)

#222735

Tritanopia (blue-blind)

#082E2E

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #172b35;
/* rgb */ color: rgb(23, 43, 53);
/* oklch */ color: oklch(27.7% 0.032 231.2);

Tailwind

colors: {
  custom: {
    50: '#56646c',
    500: '#172b35',
    950: '#000000',
  },
}

SCSS

$custom: #172b35;
$custom-light: #56646c;
$custom-dark: #000000;

JSON

{
  "hex": "#172b35",
  "rgb": {
    "r": 23,
    "g": 43,
    "b": 53
  },
  "hsl": {
    "h": 200,
    "s": 39.474,
    "l": 14.902
  },
  "oklch": {
    "l": 0.27687,
    "c": 0.03182,
    "h": 231.2
  },
  "luminance": 0.02167
}

Semantic roles & 50–950 ramp

primary

#172B35

secondary

#6B4C3D

accent

#8058CF

background

#F5F5F6

surface

#E9EAEB

border

#C5C6C6

text

#030506

muted

#78797A

Preview Lab

Preview with #172B35

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

Preview Lab → · Contrast checker → · Palette generator →