#175B6C#175B6C

#175B6C is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 43.8% C 0.070 H 218.6°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#175B6C
RGB	rgb(23, 91, 108)
HSL	hsl(192, 65%, 26%)
HSV	hsv(192, 79%, 42%)
CMYK	cmyk(78.7%, 15.7%, 0%, 57.6%)
CIE-LAB	lab(35.49, -14.38, -15.68)
CIE-LCH	lch(35.49, 21.27, 227.49°)
OKLab	oklab(43.81% -0.0549 -0.0438)
OKLCH	oklch(43.81% 0.07 218.6)
XYZ	xyz(6.8001, 8.7462, 15.5143)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175B6C #6C2817

analogous

#176C52 #175B6C #17306C

triadic

#175B6C #6C175B #5B6C17

tetradic

#175B6C #52176C #6C2817 #306C17

square

#175B6C #52176C #6C2817 #306C17

split-complementary

#175B6C #6C1730 #6C5217

monochromatic

#051519 #0C303A #175B6C #22869E #2CB0D1

Accessibility & contrast

On white

7.64

#175B6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#175B6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175B6C

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175B6C	#FFFFFF	#000000	##FFFFFF
##175B6C	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50586D

Deuteranopia (green-blind)

#45506C

Tritanopia (blue-blind)

#006160

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #175b6c;
/* rgb */ color: rgb(23, 91, 108);
/* oklch */ color: oklch(43.8% 0.070 218.6);

Tailwind

colors: {
  custom: {
    50: '#638996',
    500: '#175b6c',
    950: '#000000',
  },
}

SCSS

$custom: #175b6c;
$custom-light: #638996;
$custom-dark: #000000;

JSON

{
  "hex": "#175b6c",
  "rgb": {
    "r": 23,
    "g": 91,
    "b": 108
  },
  "hsl": {
    "h": 192,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.4381,
    "c": 0.07026,
    "h": 218.6
  },
  "luminance": 0.08747
}

Semantic roles & 50–950 ramp

primary

#175B6C

secondary

#A2513D

accent

#6240E8

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #175B6C

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

Preview Lab → · Contrast checker → · Palette generator →