#4173B2#4173B2

#4173B2 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 55.0% C 0.113 H 255.1°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#4173B2
RGB	rgb(65, 115, 178)
HSL	hsl(213, 47%, 48%)
HSV	hsv(213, 63%, 70%)
CMYK	cmyk(63.5%, 35.4%, 0%, 30.2%)
CIE-LAB	lab(47.75, 3.26, -38.46)
CIE-LCH	lch(47.75, 38.59, 274.84°)
OKLab	oklab(55.01% -0.029 -0.109)
OKLCH	oklch(55.01% 0.113 255.1)
XYZ	xyz(16.3437, 16.5981, 44.4533)
Luminance	0.1660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4173B2 #B28041

analogous

#41ACB2 #4173B2 #4741B2

triadic

#4173B2 #B24173 #73B241

tetradic

#4173B2 #B241AC #B28041 #41B247

square

#4173B2 #B241AC #B28041 #41B247

split-complementary

#4173B2 #B24741 #ACB241

monochromatic

#203958 #315685 #4173B2 #6893C8 #95B3D8

Accessibility & contrast

On white

4.86

#4173B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#4173B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4173B2

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4173B2	#FFFFFF	#000000	##FFFFFF
##4173B2	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5877B5

Deuteranopia (green-blind)

#486CB1

Tritanopia (blue-blind)

#00818A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4173b2;
/* rgb */ color: rgb(65, 115, 178);
/* oklch */ color: oklch(55.0% 0.113 255.1);

Tailwind

colors: {
  custom: {
    50: '#809ac9',
    500: '#4173b2',
    950: '#000000',
  },
}

SCSS

$custom: #4173b2;
$custom-light: #809ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#4173b2",
  "rgb": {
    "r": 65,
    "g": 115,
    "b": 178
  },
  "hsl": {
    "h": 213.451,
    "s": 46.502,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55008,
    "c": 0.11278,
    "h": 255.1
  },
  "luminance": 0.166
}

Semantic roles & 50–950 ramp

primary

#4173B2

secondary

#C4AB8B

accent

#9C52D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4173B2

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

Preview Lab → · Contrast checker → · Palette generator →