#3A73CA#3A73CA

#3A73CA is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.2% C 0.148 H 258.7°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3A73CA
RGB	rgb(58, 115, 202)
HSL	hsl(216, 58%, 51%)
HSV	hsv(216, 71%, 79%)
CMYK	cmyk(71.3%, 43.1%, 0%, 20.8%)
CIE-LAB	lab(48.79, 10.67, -50.66)
CIE-LCH	lch(48.79, 51.77, 281.90°)
OKLab	oklab(56.17% -0.0289 -0.1448)
OKLCH	oklch(56.17% 0.148 258.7)
XYZ	xyz(18.5325, 17.4233, 58.2520)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A73CA #CA913A

analogous

#3ABBCA #3A73CA #493ACA

triadic

#3A73CA #CA3A73 #73CA3A

tetradic

#3A73CA #CA3ABB #CA913A #3ACA49

square

#3A73CA #CA3ABB #CA913A #3ACA49

split-complementary

#3A73CA #CA493A #BBCA3A

monochromatic

#1D3D6C #2A579D #3A73CA #6A95D7 #9AB8E4

Accessibility & contrast

On white

4.68

#3A73CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3A73CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A73CA

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A73CA	#FFFFFF	#000000	##FFFFFF
##3A73CA	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#497BCD

Deuteranopia (green-blind)

#2F6EC8

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a73ca;
/* rgb */ color: rgb(58, 115, 202);
/* oklch */ color: oklch(56.2% 0.148 258.7);

Tailwind

colors: {
  custom: {
    50: '#819adb',
    500: '#3a73ca',
    950: '#000000',
  },
}

SCSS

$custom: #3a73ca;
$custom-light: #819adb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a73ca",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 202
  },
  "hsl": {
    "h": 216.25,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56168,
    "c": 0.14769,
    "h": 258.7
  },
  "luminance": 0.17425
}

Semantic roles & 50–950 ramp

primary

#3A73CA

secondary

#D0B790

accent

#A447E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A73CA

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

Preview Lab → · Contrast checker → · Palette generator →