#3A72CB#3A72CB

#3A72CB is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.0% C 0.150 H 259.3°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3A72CB
RGB	rgb(58, 114, 203)
HSL	hsl(217, 58%, 51%)
HSV	hsv(217, 71%, 80%)
CMYK	cmyk(71.4%, 43.8%, 0%, 20.4%)
CIE-LAB	lab(48.57, 11.66, -51.58)
CIE-LCH	lch(48.57, 52.89, 282.74°)
OKLab	oklab(56.02% -0.0278 -0.1476)
OKLCH	oklch(56.02% 0.15 259.3)
XYZ	xyz(18.5378, 17.2440, 58.8398)
Luminance	0.1725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A72CB #CB933A

analogous

#3ABACB #3A72CB #4A3ACB

triadic

#3A72CB #CB3A72 #72CB3A

tetradic

#3A72CB #CB3ABA #CB933A #3ACB4A

square

#3A72CB #CB3ABA #CB933A #3ACB4A

split-complementary

#3A72CB #CB4A3A #BACB3A

monochromatic

#1D3C6E #2A579E #3A72CB #6A95D8 #9BB7E5

Accessibility & contrast

On white

4.72

#3A72CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3A72CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A72CB

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A72CB	#FFFFFF	#000000	##FFFFFF
##3A72CB	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467BCE

Deuteranopia (green-blind)

#2B6DC9

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a72cb;
/* rgb */ color: rgb(58, 114, 203);
/* oklch */ color: oklch(56.0% 0.150 259.3);

Tailwind

colors: {
  custom: {
    50: '#829adb',
    500: '#3a72cb',
    950: '#000000',
  },
}

SCSS

$custom: #3a72cb;
$custom-light: #829adb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a72cb",
  "rgb": {
    "r": 58,
    "g": 114,
    "b": 203
  },
  "hsl": {
    "h": 216.828,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56015,
    "c": 0.15018,
    "h": 259.3
  },
  "luminance": 0.17246
}

Semantic roles & 50–950 ramp

primary

#3A72CB

secondary

#D0B890

accent

#A646E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A72CB

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

Preview Lab → · Contrast checker → · Palette generator →