#175B90#175B90

#175B90 is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.8% C 0.108 H 247.2°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#175B90
RGB	rgb(23, 91, 144)
HSL	hsl(206, 72%, 33%)
HSV	hsv(206, 84%, 56%)
CMYK	cmyk(84%, 36.8%, 0%, 43.5%)
CIE-LAB	lab(37.26, -0.59, -35.01)
CIE-LCH	lch(37.26, 35.01, 269.03°)
OKLab	oklab(45.79% -0.0419 -0.0998)
OKLCH	oklch(45.79% 0.108 247.2)
XYZ	xyz(9.1265, 9.6768, 27.7669)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175B90 #904C17

analogous

#179088 #175B90 #171E90

triadic

#175B90 #90175B #5B9017

tetradic

#175B90 #881790 #904C17 #1E9017

square

#175B90 #881790 #904C17 #1E9017

split-complementary

#175B90 #90171E #908817

monochromatic

#061826 #0F3A5B #175B90 #1F7CC5 #419BE1

Accessibility & contrast

On white

7.15

#175B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#175B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175B90

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175B90	#FFFFFF	#000000	##FFFFFF
##175B90	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425E92

Deuteranopia (green-blind)

#30538F

Tritanopia (blue-blind)

#00686E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #175b90;
/* rgb */ color: rgb(23, 91, 144);
/* oklch */ color: oklch(45.8% 0.108 247.2);

Tailwind

colors: {
  custom: {
    50: '#6a89b1',
    500: '#175b90',
    950: '#000000',
  },
}

SCSS

$custom: #175b90;
$custom-light: #6a89b1;
$custom-dark: #000000;

JSON

{
  "hex": "#175b90",
  "rgb": {
    "r": 23,
    "g": 91,
    "b": 144
  },
  "hsl": {
    "h": 206.281,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.45794,
    "c": 0.10819,
    "h": 247.2
  },
  "luminance": 0.09678
}

Semantic roles & 50–950 ramp

primary

#175B90

secondary

#C17A42

accent

#8939EF

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #175B90

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

Preview Lab → · Contrast checker → · Palette generator →