#176D81#176D81

#176D81 is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 49.6% C 0.082 H 217.9°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#176D81
RGB	rgb(23, 109, 129)
HSL	hsl(191, 70%, 30%)
HSV	hsv(191, 82%, 51%)
CMYK	cmyk(82.2%, 15.5%, 0%, 49.4%)
CIE-LAB	lab(42.31, -17.03, -18.05)
CIE-LCH	lch(42.31, 24.82, 226.68°)
OKLab	oklab(49.58% -0.0649 -0.0505)
OKLCH	oklch(49.58% 0.082 217.9)
XYZ	xyz(9.7827, 12.7032, 22.7010)
Luminance	0.1270 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#176D81 #812B17

analogous

#178160 #176D81 #173881

triadic

#176D81 #81176D #6D8117

tetradic

#176D81 #601781 #812B17 #388117

square

#176D81 #601781 #812B17 #388117

split-complementary

#176D81 #811738 #816017

monochromatic

#05161A #0E414D #176D81 #2099B5 #37BCDB

Accessibility & contrast

On white

5.93

#176D81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#176D81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #176D81

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##176D81	#FFFFFF	#000000	##FFFFFF
##176D81	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#606A82

Deuteranopia (green-blind)

#525F81

Tritanopia (blue-blind)

#007473

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #176d81;
/* rgb */ color: rgb(23, 109, 129);
/* oklch */ color: oklch(49.6% 0.082 217.9);

Tailwind

colors: {
  custom: {
    50: '#6897a5',
    500: '#176d81',
    950: '#000000',
  },
}

SCSS

$custom: #176d81;
$custom-light: #6897a5;
$custom-dark: #000000;

JSON

{
  "hex": "#176d81",
  "rgb": {
    "r": 23,
    "g": 109,
    "b": 129
  },
  "hsl": {
    "h": 191.321,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.49584,
    "c": 0.08222,
    "h": 217.9
  },
  "luminance": 0.12704
}

Semantic roles & 50–950 ramp

primary

#176D81

secondary

#B5553E

accent

#5D3BED

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #176D81

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

Preview Lab → · Contrast checker → · Palette generator →