#3A51BE#3A51BE

#3A51BE is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.3% C 0.173 H 269.7°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#3A51BE
RGB	rgb(58, 81, 190)
HSL	hsl(230, 53%, 49%)
HSV	hsv(230, 69%, 75%)
CMYK	cmyk(69.5%, 57.4%, 0%, 25.5%)
CIE-LAB	lab(38.73, 28.03, -59.94)
CIE-LCH	lch(38.73, 66.17, 295.06°)
OKLab	oklab(48.25% -0.0008 -0.1727)
OKLCH	oklch(48.25% 0.173 269.7)
XYZ	xyz(13.9784, 10.5007, 49.9954)
Luminance	0.1050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A51BE #BEA73A

analogous

#3A93BE #3A51BE #653ABE

triadic

#3A51BE #BE3A51 #51BE3A

tetradic

#3A51BE #BE3A93 #BEA73A #3ABE65

square

#3A51BE #BE3A93 #BEA73A #3ABE65

split-complementary

#3A51BE #BE653A #93BE3A

monochromatic

#1D2960 #2C3D8F #3A51BE #6578D0 #94A1DE

Accessibility & contrast

On white

6.77

#3A51BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3A51BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A51BE

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A51BE	#FFFFFF	#000000	##FFFFFF
##3A51BE	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C2

Deuteranopia (green-blind)

#0055BC

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3a51be;
/* rgb */ color: rgb(58, 81, 190);
/* oklch */ color: oklch(48.3% 0.173 269.7);

Tailwind

colors: {
  custom: {
    50: '#8081d2',
    500: '#3a51be',
    950: '#000000',
  },
}

SCSS

$custom: #3a51be;
$custom-light: #8081d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a51be",
  "rgb": {
    "r": 58,
    "g": 81,
    "b": 190
  },
  "hsl": {
    "h": 229.545,
    "s": 53.226,
    "l": 48.627
  },
  "oklch": {
    "l": 0.4825,
    "c": 0.17269,
    "h": 269.7
  },
  "luminance": 0.10502
}

Semantic roles & 50–950 ramp

primary

#3A51BE

secondary

#CABF8A

accent

#C34BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3A51BE

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

Preview Lab → · Contrast checker → · Palette generator →