#3A73CD#3A73CD

#3A73CD is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.4% C 0.152 H 259.2°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3A73CD
RGB	rgb(58, 115, 205)
HSL	hsl(217, 60%, 52%)
HSV	hsv(217, 72%, 80%)
CMYK	cmyk(71.7%, 43.9%, 0%, 19.6%)
CIE-LAB	lab(48.97, 11.77, -52.09)
CIE-LCH	lch(48.97, 53.40, 282.73°)
OKLab	oklab(56.36% -0.0283 -0.149)
OKLCH	oklch(56.36% 0.152 259.2)
XYZ	xyz(18.8911, 17.5667, 60.1409)
Luminance	0.1757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A73CD #CD943A

analogous

#3ABCCD #3A73CD #4B3ACD

triadic

#3A73CD #CD3A73 #73CD3A

tetradic

#3A73CD #CD3ABC #CD943A #3ACD4B

square

#3A73CD #CD3ABC #CD943A #3ACD4B

split-complementary

#3A73CD #CD4B3A #BCCD3A

monochromatic

#1C3D70 #2957A1 #3A73CD #6B96D9 #9CB8E6

Accessibility & contrast

On white

4.65

#3A73CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#3A73CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A73CD

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A73CD	#FFFFFF	#000000	##FFFFFF
##3A73CD	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467CD0

Deuteranopia (green-blind)

#2B6ECB

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a73cd;
/* rgb */ color: rgb(58, 115, 205);
/* oklch */ color: oklch(56.4% 0.152 259.2);

Tailwind

colors: {
  custom: {
    50: '#829add',
    500: '#3a73cd',
    950: '#000000',
  },
}

SCSS

$custom: #3a73cd;
$custom-light: #829add;
$custom-dark: #000000;

JSON

{
  "hex": "#3a73cd",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 205
  },
  "hsl": {
    "h": 216.735,
    "s": 59.514,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56362,
    "c": 0.15171,
    "h": 259.2
  },
  "luminance": 0.17569
}

Semantic roles & 50–950 ramp

primary

#3A73CD

secondary

#D2B991

accent

#A645E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A73CD

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

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