#3A53BB#3A53BB

#3A53BB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.4% C 0.166 H 269.1°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#3A53BB
RGB	rgb(58, 83, 187)
HSL	hsl(228, 53%, 48%)
HSV	hsv(228, 69%, 73%)
CMYK	cmyk(69%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(39.02, 25.65, -57.70)
CIE-LCH	lch(39.02, 63.15, 293.97°)
OKLab	oklab(48.4% -0.0026 -0.1661)
OKLCH	oklch(48.4% 0.166 269.1)
XYZ	xyz(13.8047, 10.6726, 48.3366)
Luminance	0.1067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A53BB #BBA23A

analogous

#3A93BB #3A53BB #613ABB

triadic

#3A53BB #BB3A53 #53BB3A

tetradic

#3A53BB #BB3A93 #BBA23A #3ABB61

square

#3A53BB #BB3A93 #BBA23A #3ABB61

split-complementary

#3A53BB #BB613A #93BB3A

monochromatic

#1D2A5E #2C3E8C #3A53BB #6378CF #92A1DD

Accessibility & contrast

On white

6.70

#3A53BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3A53BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A53BB

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A53BB	#FFFFFF	#000000	##FFFFFF
##3A53BB	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3a53bb;
/* rgb */ color: rgb(58, 83, 187);
/* oklch */ color: oklch(48.4% 0.166 269.1);

Tailwind

colors: {
  custom: {
    50: '#8083d0',
    500: '#3a53bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a53bb;
$custom-light: #8083d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a53bb",
  "rgb": {
    "r": 58,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 228.372,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.48402,
    "c": 0.1661,
    "h": 269.1
  },
  "luminance": 0.10674
}

Semantic roles & 50–950 ramp

primary

#3A53BB

secondary

#C8BC88

accent

#C04CDC

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3A53BB

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

Preview Lab → · Contrast checker → · Palette generator →