#3A53AB#3A53AB

#3A53AB is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.2% C 0.144 H 268.5°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#3A53AB
RGB	rgb(58, 83, 171)
HSL	hsl(227, 49%, 45%)
HSV	hsv(227, 66%, 67%)
CMYK	cmyk(66.1%, 51.5%, 0%, 32.9%)
CIE-LAB	lab(37.89, 19.85, -50.11)
CIE-LCH	lch(37.89, 53.90, 291.61°)
OKLab	oklab(47.19% -0.0038 -0.1437)
OKLCH	oklch(47.19% 0.144 268.5)
XYZ	xyz(12.1864, 10.0252, 39.8130)
Luminance	0.1003 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A53AB #AB923A

analogous

#3A8BAB #3A53AB #5A3AAB

triadic

#3A53AB #AB3A53 #53AB3A

tetradic

#3A53AB #AB3A8B #AB923A #3AAB5A

square

#3A53AB #AB3A8B #AB923A #3AAB5A

split-complementary

#3A53AB #AB5A3A #8BAB3A

monochromatic

#1B2750 #2A3D7D #3A53AB #5B73C7 #899AD7

Accessibility & contrast

On white

6.99

#3A53AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3A53AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A53AB

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A53AB	#FFFFFF	#000000	##FFFFFF
##3A53AB	1.00	6.99	3.01	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5FAE

Deuteranopia (green-blind)

#0054A9

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3a53ab;
/* rgb */ color: rgb(58, 83, 171);
/* oklch */ color: oklch(47.2% 0.144 268.5);

Tailwind

colors: {
  custom: {
    50: '#7d83c5',
    500: '#3a53ab',
    950: '#000000',
  },
}

SCSS

$custom: #3a53ab;
$custom-light: #7d83c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a53ab",
  "rgb": {
    "r": 58,
    "g": 83,
    "b": 171
  },
  "hsl": {
    "h": 226.726,
    "s": 49.345,
    "l": 44.902
  },
  "oklch": {
    "l": 0.47185,
    "c": 0.14378,
    "h": 268.5
  },
  "luminance": 0.10026
}

Semantic roles & 50–950 ramp

primary

#3A53AB

secondary

#C1B380

accent

#BA4FD9

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3A53AB

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

Preview Lab → · Contrast checker → · Palette generator →