#4173CA#4173CA

#4173CA is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.5% C 0.145 H 260.7°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4173CA
RGB	rgb(65, 115, 202)
HSL	hsl(218, 56%, 52%)
HSV	hsv(218, 68%, 79%)
CMYK	cmyk(67.8%, 43.1%, 0%, 20.8%)
CIE-LAB	lab(49.07, 11.73, -50.20)
CIE-LCH	lch(49.07, 51.55, 283.15°)
OKLab	oklab(56.46% -0.0236 -0.1434)
OKLCH	oklch(56.46% 0.145 260.7)
XYZ	xyz(18.9676, 17.6476, 58.2724)
Luminance	0.1765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4173CA #CA9841

analogous

#41B8CA #4173CA #5341CA

triadic

#4173CA #CA4173 #73CA41

tetradic

#4173CA #CA41B8 #CA9841 #41CA53

square

#4173CA #CA41B8 #CA9841 #41CA53

split-complementary

#4173CA #CA5341 #B8CA41

monochromatic

#203D71 #2D57A1 #4173CA #7196D7 #A1BAE5

Accessibility & contrast

On white

4.64

#4173CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#4173CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4173CA

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4173CA	#FFFFFF	#000000	##FFFFFF
##4173CA	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#497BCD

Deuteranopia (green-blind)

#326FC8

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4173ca;
/* rgb */ color: rgb(65, 115, 202);
/* oklch */ color: oklch(56.5% 0.145 260.7);

Tailwind

colors: {
  custom: {
    50: '#849ada',
    500: '#4173ca',
    950: '#000000',
  },
}

SCSS

$custom: #4173ca;
$custom-light: #849ada;
$custom-dark: #000000;

JSON

{
  "hex": "#4173ca",
  "rgb": {
    "r": 65,
    "g": 115,
    "b": 202
  },
  "hsl": {
    "h": 218.102,
    "s": 56.379,
    "l": 52.353
  },
  "oklch": {
    "l": 0.56459,
    "c": 0.1453,
    "h": 260.7
  },
  "luminance": 0.1765
}

Semantic roles & 50–950 ramp

primary

#4173CA

secondary

#D1BB96

accent

#A848E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4173CA

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

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