#175CB3#175CB3

#175CB3 is a mid, vivid cyan. Relative luminance 0.111; OKLCH L 48.4% C 0.153 H 256.9°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#175CB3
RGB	rgb(23, 92, 179)
HSL	hsl(213, 77%, 40%)
HSV	hsv(213, 87%, 70%)
CMYK	cmyk(87.2%, 48.6%, 0%, 29.8%)
CIE-LAB	lab(39.73, 12.78, -51.92)
CIE-LCH	lch(39.73, 53.47, 283.83°)
OKLab	oklab(48.42% -0.0348 -0.1494)
OKLCH	oklch(48.42% 0.153 256.9)
XYZ	xyz(12.3142, 11.0895, 44.1306)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175CB3 #B36E17

analogous

#17AAB3 #175CB3 #2017B3

triadic

#175CB3 #B3175C #5CB317

tetradic

#175CB3 #B317AA #B36E17 #17B320

square

#175CB3 #B317AA #B36E17 #17B320

split-complementary

#175CB3 #B32017 #AAB317

monochromatic

#092447 #10407D #175CB3 #2479E3 #5B9AEA

Accessibility & contrast

On white

6.53

#175CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#175CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #175CB3

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175CB3	#FFFFFF	#000000	##FFFFFF
##175CB3	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2865B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #175cb3;
/* rgb */ color: rgb(23, 92, 179);
/* oklch */ color: oklch(48.4% 0.153 256.9);

Tailwind

colors: {
  custom: {
    50: '#7289ca',
    500: '#175cb3',
    950: '#000000',
  },
}

SCSS

$custom: #175cb3;
$custom-light: #7289ca;
$custom-dark: #000000;

JSON

{
  "hex": "#175cb3",
  "rgb": {
    "r": 23,
    "g": 92,
    "b": 179
  },
  "hsl": {
    "h": 213.462,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.48421,
    "c": 0.15345,
    "h": 256.9
  },
  "luminance": 0.11091
}

Semantic roles & 50–950 ramp

primary

#175CB3

secondary

#CD9A58

accent

#9F34F4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #175CB3

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

Preview Lab → · Contrast checker → · Palette generator →