#175571#175571

#175571 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.5% C 0.076 H 232.6°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#175571
RGB	rgb(23, 85, 113)
HSL	hsl(199, 66%, 27%)
HSV	hsv(199, 80%, 44%)
CMYK	cmyk(79.6%, 24.8%, 0%, 55.7%)
CIE-LAB	lab(33.71, -8.96, -21.54)
CIE-LCH	lch(33.71, 23.33, 247.42°)
OKLab	oklab(42.46% -0.0464 -0.0606)
OKLCH	oklch(42.46% 0.076 232.6)
XYZ	xyz(6.5813, 7.8706, 16.7919)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175571 #713317

analogous

#177160 #175571 #172871

triadic

#175571 #711755 #557117

tetradic

#175571 #601771 #713317 #287117

square

#175571 #601771 #713317 #287117

split-complementary

#175571 #711728 #716017

monochromatic

#051319 #0D2F3E #175571 #217BA4 #2EA1D4

Accessibility & contrast

On white

8.16

#175571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#175571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175571

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175571	#FFFFFF	#000000	##FFFFFF
##175571	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475472

Deuteranopia (green-blind)

#3B4C71

Tritanopia (blue-blind)

#005D5E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #175571;
/* rgb */ color: rgb(23, 85, 113);
/* oklch */ color: oklch(42.5% 0.076 232.6);

Tailwind

colors: {
  custom: {
    50: '#63849a',
    500: '#175571',
    950: '#000000',
  },
}

SCSS

$custom: #175571;
$custom-light: #63849a;
$custom-dark: #000000;

JSON

{
  "hex": "#175571",
  "rgb": {
    "r": 23,
    "g": 85,
    "b": 113
  },
  "hsl": {
    "h": 198.667,
    "s": 66.176,
    "l": 26.667
  },
  "oklch": {
    "l": 0.42459,
    "c": 0.07637,
    "h": 232.6
  },
  "luminance": 0.07871
}

Semantic roles & 50–950 ramp

primary

#175571

secondary

#A75E3D

accent

#743FE9

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #175571

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

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