#175B6D#175B6D

#175B6D is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 43.9% C 0.071 H 219.8°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#175B6D
RGB	rgb(23, 91, 109)
HSL	hsl(193, 65%, 26%)
HSV	hsv(193, 79%, 43%)
CMYK	cmyk(78.9%, 16.5%, 0%, 57.3%)
CIE-LAB	lab(35.53, -14.01, -16.24)
CIE-LCH	lch(35.53, 21.45, 229.21°)
OKLab	oklab(43.86% -0.0545 -0.0454)
OKLCH	oklch(43.86% 0.071 219.8)
XYZ	xyz(6.8536, 8.7676, 15.7961)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175B6D #6D2917

analogous

#176D54 #175B6D #17306D

triadic

#175B6D #6D175B #5B6D17

tetradic

#175B6D #54176D #6D2917 #306D17

square

#175B6D #54176D #6D2917 #306D17

split-complementary

#175B6D #6D1730 #6D5417

monochromatic

#051519 #0C313A #175B6D #2285A0 #2CAFD2

Accessibility & contrast

On white

7.63

#175B6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#175B6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175B6D

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175B6D	#FFFFFF	#000000	##FFFFFF
##175B6D	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50586E

Deuteranopia (green-blind)

#44506D

Tritanopia (blue-blind)

#006161

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #175b6d;
/* rgb */ color: rgb(23, 91, 109);
/* oklch */ color: oklch(43.9% 0.071 219.8);

Tailwind

colors: {
  custom: {
    50: '#638997',
    500: '#175b6d',
    950: '#000000',
  },
}

SCSS

$custom: #175b6d;
$custom-light: #638997;
$custom-dark: #000000;

JSON

{
  "hex": "#175b6d",
  "rgb": {
    "r": 23,
    "g": 91,
    "b": 109
  },
  "hsl": {
    "h": 192.558,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.43858,
    "c": 0.07093,
    "h": 219.8
  },
  "luminance": 0.08768
}

Semantic roles & 50–950 ramp

primary

#175B6D

secondary

#A3523D

accent

#6340E8

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #175B6D

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

Preview Lab → · Contrast checker → · Palette generator →