#3A72CC#3A72CC

#3A72CC is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.1% C 0.152 H 259.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3A72CC
RGB	rgb(58, 114, 204)
HSL	hsl(217, 59%, 51%)
HSV	hsv(217, 72%, 80%)
CMYK	cmyk(71.6%, 44.1%, 0%, 20%)
CIE-LAB	lab(48.63, 12.03, -52.06)
CIE-LCH	lch(48.63, 53.43, 283.01°)
OKLab	oklab(56.08% -0.0276 -0.149)
OKLCH	oklch(56.08% 0.152 259.5)
XYZ	xyz(18.6574, 17.2918, 59.4694)
Luminance	0.1729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A72CC #CC943A

analogous

#3ABBCC #3A72CC #4B3ACC

triadic

#3A72CC #CC3A72 #72CC3A

tetradic

#3A72CC #CC3ABB #CC943A #3ACC4B

square

#3A72CC #CC3ABB #CC943A #3ACC4B

split-complementary

#3A72CC #CC4B3A #BBCC3A

monochromatic

#1D3C6F #2957A0 #3A72CC #6B95D9 #9BB8E5

Accessibility & contrast

On white

4.71

#3A72CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#3A72CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A72CC

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A72CC	#FFFFFF	#000000	##FFFFFF
##3A72CC	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457BCF

Deuteranopia (green-blind)

#2A6DCA

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a72cc;
/* rgb */ color: rgb(58, 114, 204);
/* oklch */ color: oklch(56.1% 0.152 259.5);

Tailwind

colors: {
  custom: {
    50: '#829adc',
    500: '#3a72cc',
    950: '#000000',
  },
}

SCSS

$custom: #3a72cc;
$custom-light: #829adc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a72cc",
  "rgb": {
    "r": 58,
    "g": 114,
    "b": 204
  },
  "hsl": {
    "h": 216.986,
    "s": 58.871,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5608,
    "c": 0.15153,
    "h": 259.5
  },
  "luminance": 0.17294
}

Semantic roles & 50–950 ramp

primary

#3A72CC

secondary

#D1B891

accent

#A646E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A72CC

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

Preview Lab → · Contrast checker → · Palette generator →