#4173C1#4173C1

#4173C1 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 55.9% C 0.133 H 259.0°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4173C1
RGB	rgb(65, 115, 193)
HSL	hsl(217, 51%, 51%)
HSV	hsv(217, 66%, 76%)
CMYK	cmyk(66.3%, 40.4%, 0%, 24.3%)
CIE-LAB	lab(48.55, 8.53, -45.85)
CIE-LCH	lch(48.55, 46.64, 280.54°)
OKLab	oklab(55.9% -0.0254 -0.1306)
OKLCH	oklch(55.9% 0.133 259)
XYZ	xyz(17.9329, 17.2338, 52.8231)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4173C1 #C18F41

analogous

#41B3C1 #4173C1 #4F41C1

triadic

#4173C1 #C14173 #73C141

tetradic

#4173C1 #C141B3 #C18F41 #41C14F

square

#4173C1 #C141B3 #C18F41 #41C14F

split-complementary

#4173C1 #C14F41 #B3C141

monochromatic

#213C66 #305794 #4173C1 #6F95D0 #9DB7DF

Accessibility & contrast

On white

4.72

#4173C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#4173C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4173C1

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4173C1	#FFFFFF	#000000	##FFFFFF
##4173C1	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#507AC4

Deuteranopia (green-blind)

#3C6EBF

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4173c1;
/* rgb */ color: rgb(65, 115, 193);
/* oklch */ color: oklch(55.9% 0.133 259.0);

Tailwind

colors: {
  custom: {
    50: '#839ad4',
    500: '#4173c1',
    950: '#000000',
  },
}

SCSS

$custom: #4173c1;
$custom-light: #839ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#4173c1",
  "rgb": {
    "r": 65,
    "g": 115,
    "b": 193
  },
  "hsl": {
    "h": 216.563,
    "s": 50.794,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55896,
    "c": 0.13308,
    "h": 259
  },
  "luminance": 0.17236
}

Semantic roles & 50–950 ramp

primary

#4173C1

secondary

#CBB592

accent

#A34EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4173C1

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

Preview Lab → · Contrast checker → · Palette generator →