#175A90#175A90

#175A90 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.5% C 0.109 H 248.0°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#175A90
RGB	rgb(23, 90, 144)
HSL	hsl(207, 72%, 33%)
HSV	hsv(207, 84%, 56%)
CMYK	cmyk(84%, 37.5%, 0%, 43.5%)
CIE-LAB	lab(36.94, 0.05, -35.51)
CIE-LCH	lch(36.94, 35.51, 270.07°)
OKLab	oklab(45.55% -0.041 -0.1012)
OKLCH	oklch(45.55% 0.109 248)
XYZ	xyz(9.0416, 9.5070, 27.7386)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175A90 #904D17

analogous

#179089 #175A90 #171D90

triadic

#175A90 #90175A #5A9017

tetradic

#175A90 #891790 #904D17 #1D9017

square

#175A90 #891790 #904D17 #1D9017

split-complementary

#175A90 #90171D #908917

monochromatic

#061826 #0F395B #175A90 #1F7BC5 #4199E1

Accessibility & contrast

On white

7.24

#175A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#175A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175A90

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175A90	#FFFFFF	#000000	##FFFFFF
##175A90	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405D92

Deuteranopia (green-blind)

#2E528F

Tritanopia (blue-blind)

#00676E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #175a90;
/* rgb */ color: rgb(23, 90, 144);
/* oklch */ color: oklch(45.5% 0.109 248.0);

Tailwind

colors: {
  custom: {
    50: '#6a88b1',
    500: '#175a90',
    950: '#000000',
  },
}

SCSS

$custom: #175a90;
$custom-light: #6a88b1;
$custom-dark: #000000;

JSON

{
  "hex": "#175a90",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 144
  },
  "hsl": {
    "h": 206.777,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.45547,
    "c": 0.10921,
    "h": 248
  },
  "luminance": 0.09508
}

Semantic roles & 50–950 ramp

primary

#175A90

secondary

#C17B42

accent

#8A39EF

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #175A90

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

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