#3A72C8#3A72C8

#3A72C8 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.8% C 0.146 H 258.8°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3A72C8
RGB	rgb(58, 114, 200)
HSL	hsl(216, 56%, 51%)
HSV	hsv(216, 71%, 78%)
CMYK	cmyk(71%, 43%, 0%, 21.6%)
CIE-LAB	lab(48.39, 10.57, -50.15)
CIE-LCH	lch(48.39, 51.25, 281.90°)
OKLab	oklab(55.82% -0.0284 -0.1434)
OKLCH	oklch(55.82% 0.146 258.8)
XYZ	xyz(18.1838, 17.1024, 56.9751)
Luminance	0.1710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A72C8 #C8903A

analogous

#3AB9C8 #3A72C8 #493AC8

triadic

#3A72C8 #C83A72 #72C83A

tetradic

#3A72C8 #C83AB9 #C8903A #3AC849

square

#3A72C8 #C83AB9 #C8903A #3AC849

split-complementary

#3A72C8 #C8493A #B9C83A

monochromatic

#1E3C6A #2B579A #3A72C8 #6A94D5 #9AB6E3

Accessibility & contrast

On white

4.75

#3A72C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3A72C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A72C8

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A72C8	#FFFFFF	#000000	##FFFFFF
##3A72C8	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#487ACB

Deuteranopia (green-blind)

#2F6DC6

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a72c8;
/* rgb */ color: rgb(58, 114, 200);
/* oklch */ color: oklch(55.8% 0.146 258.8);

Tailwind

colors: {
  custom: {
    50: '#819ad9',
    500: '#3a72c8',
    950: '#000000',
  },
}

SCSS

$custom: #3a72c8;
$custom-light: #819ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a72c8",
  "rgb": {
    "r": 58,
    "g": 114,
    "b": 200
  },
  "hsl": {
    "h": 216.338,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5582,
    "c": 0.14615,
    "h": 258.8
  },
  "luminance": 0.17104
}

Semantic roles & 50–950 ramp

primary

#3A72C8

secondary

#CEB68F

accent

#A448E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A72C8

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

Preview Lab → · Contrast checker → · Palette generator →