#3A72C9#3A72C9

#3A72C9 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 55.9% C 0.147 H 259.0°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3A72C9
RGB	rgb(58, 114, 201)
HSL	hsl(217, 57%, 51%)
HSV	hsv(217, 71%, 79%)
CMYK	cmyk(71.1%, 43.3%, 0%, 21.2%)
CIE-LAB	lab(48.45, 10.93, -50.63)
CIE-LCH	lch(48.45, 51.80, 282.18°)
OKLab	oklab(55.89% -0.0282 -0.1448)
OKLCH	oklch(55.89% 0.148 259)
XYZ	xyz(18.3010, 17.1493, 57.5927)
Luminance	0.1715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A72C9 #C9913A

analogous

#3ABAC9 #3A72C9 #493AC9

triadic

#3A72C9 #C93A72 #72C93A

tetradic

#3A72C9 #C93ABA #C9913A #3AC949

square

#3A72C9 #C93ABA #C9913A #3AC949

split-complementary

#3A72C9 #C9493A #BAC93A

monochromatic

#1D3C6B #2B579B #3A72C9 #6A94D6 #9AB7E3

Accessibility & contrast

On white

4.74

#3A72C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3A72C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A72C9

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A72C9	#FFFFFF	#000000	##FFFFFF
##3A72C9	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#477ACC

Deuteranopia (green-blind)

#2E6DC7

Tritanopia (blue-blind)

#008694

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a72c9;
/* rgb */ color: rgb(58, 114, 201);
/* oklch */ color: oklch(55.9% 0.147 259.0);

Tailwind

colors: {
  custom: {
    50: '#819ada',
    500: '#3a72c9',
    950: '#000000',
  },
}

SCSS

$custom: #3a72c9;
$custom-light: #819ada;
$custom-dark: #000000;

JSON

{
  "hex": "#3a72c9",
  "rgb": {
    "r": 58,
    "g": 114,
    "b": 201
  },
  "hsl": {
    "h": 216.503,
    "s": 56.972,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55885,
    "c": 0.1475,
    "h": 259
  },
  "luminance": 0.17151
}

Semantic roles & 50–950 ramp

primary

#3A72C9

secondary

#CFB690

accent

#A448E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A72C9

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

Preview Lab → · Contrast checker → · Palette generator →