#3A72CA#3A72CA

#3A72CA is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.0% C 0.149 H 259.2°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3A72CA
RGB	rgb(58, 114, 202)
HSL	hsl(217, 58%, 51%)
HSV	hsv(217, 71%, 79%)
CMYK	cmyk(71.3%, 43.6%, 0%, 20.8%)
CIE-LAB	lab(48.51, 11.30, -51.11)
CIE-LCH	lch(48.51, 52.34, 282.46°)
OKLab	oklab(55.95% -0.028 -0.1462)
OKLCH	oklch(55.95% 0.149 259.2)
XYZ	xyz(18.4191, 17.1965, 58.2142)
Luminance	0.1720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A72CA #CA923A

analogous

#3ABACA #3A72CA #4A3ACA

triadic

#3A72CA #CA3A72 #72CA3A

tetradic

#3A72CA #CA3ABA #CA923A #3ACA4A

square

#3A72CA #CA3ABA #CA923A #3ACA4A

split-complementary

#3A72CA #CA4A3A #BACA3A

monochromatic

#1D3C6C #2A579D #3A72CA #6A95D7 #9AB7E4

Accessibility & contrast

On white

4.73

#3A72CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3A72CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A72CA

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A72CA	#FFFFFF	#000000	##FFFFFF
##3A72CA	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#477ACD

Deuteranopia (green-blind)

#2D6DC8

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a72ca;
/* rgb */ color: rgb(58, 114, 202);
/* oklch */ color: oklch(56.0% 0.149 259.2);

Tailwind

colors: {
  custom: {
    50: '#819adb',
    500: '#3a72ca',
    950: '#000000',
  },
}

SCSS

$custom: #3a72ca;
$custom-light: #819adb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a72ca",
  "rgb": {
    "r": 58,
    "g": 114,
    "b": 202
  },
  "hsl": {
    "h": 216.667,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5595,
    "c": 0.14883,
    "h": 259.2
  },
  "luminance": 0.17198
}

Semantic roles & 50–950 ramp

primary

#3A72CA

secondary

#D0B790

accent

#A547E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A72CA

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

Preview Lab → · Contrast checker → · Palette generator →