#175DB3#175DB3

#175DB3 is a mid, vivid cyan. Relative luminance 0.113; OKLCH L 48.6% C 0.152 H 256.5°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#175DB3
RGB	rgb(23, 93, 179)
HSL	hsl(213, 77%, 40%)
HSV	hsv(213, 87%, 70%)
CMYK	cmyk(87.2%, 48%, 0%, 29.8%)
CIE-LAB	lab(40.02, 12.13, -51.45)
CIE-LCH	lch(40.02, 52.86, 283.26°)
OKLab	oklab(48.65% -0.0355 -0.148)
OKLCH	oklch(48.65% 0.152 256.5)
XYZ	xyz(12.4014, 11.2639, 44.1596)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175DB3 #B36D17

analogous

#17ABB3 #175DB3 #1F17B3

triadic

#175DB3 #B3175D #5DB317

tetradic

#175DB3 #B317AB #B36D17 #17B31F

square

#175DB3 #B317AB #B36D17 #17B31F

split-complementary

#175DB3 #B31F17 #ABB317

monochromatic

#092547 #10417D #175DB3 #247AE3 #5B9BEA

Accessibility & contrast

On white

6.46

#175DB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#175DB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #175DB3

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175DB3	#FFFFFF	#000000	##FFFFFF
##175DB3	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B66B6

Deuteranopia (green-blind)

#0058B1

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #175db3;
/* rgb */ color: rgb(23, 93, 179);
/* oklch */ color: oklch(48.6% 0.152 256.5);

Tailwind

colors: {
  custom: {
    50: '#728aca',
    500: '#175db3',
    950: '#000000',
  },
}

SCSS

$custom: #175db3;
$custom-light: #728aca;
$custom-dark: #000000;

JSON

{
  "hex": "#175db3",
  "rgb": {
    "r": 23,
    "g": 93,
    "b": 179
  },
  "hsl": {
    "h": 213.077,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.48645,
    "c": 0.15225,
    "h": 256.5
  },
  "luminance": 0.11266
}

Semantic roles & 50–950 ramp

primary

#175DB3

secondary

#CD9958

accent

#9E34F4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #175DB3

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

Preview Lab → · Contrast checker → · Palette generator →