#3A3BB5#3A3BB5

#3A3BB5 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.5% C 0.187 H 275.0°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#3A3BB5
RGB	rgb(58, 59, 181)
HSL	hsl(240, 51%, 47%)
HSV	hsv(240, 68%, 71%)
CMYK	cmyk(68%, 67.4%, 0%, 29%)
CIE-LAB	lab(32.62, 38.78, -64.61)
CIE-LCH	lch(32.62, 75.36, 300.97°)
OKLab	oklab(43.52% 0.0163 -0.1866)
OKLCH	oklch(43.52% 0.187 275)
XYZ	xyz(11.6466, 7.3626, 44.5145)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A3BB5 #B5B43A

analogous

#3A79B5 #3A3BB5 #773AB5

triadic

#3A3BB5 #B53A3B #3BB53A

tetradic

#3A3BB5 #B53A79 #B5B43A #3AB577

square

#3A3BB5 #B53A79 #B5B43A #3AB577

split-complementary

#3A3BB5 #B5773A #79B53A

monochromatic

#1C1D58 #2B2C87 #3A3BB5 #6061CC #8E8FDB

Accessibility & contrast

On white

8.49

#3A3BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3A3BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3BB5

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3BB5	#FFFFFF	#000000	##FFFFFF
##3A3BB5	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B9

Deuteranopia (green-blind)

#0047B3

Tritanopia (blue-blind)

#005B73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a3bb5;
/* rgb */ color: rgb(58, 59, 181);
/* oklch */ color: oklch(43.5% 0.187 275.0);

Tailwind

colors: {
  custom: {
    50: '#8071cc',
    500: '#3a3bb5',
    950: '#000000',
  },
}

SCSS

$custom: #3a3bb5;
$custom-light: #8071cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3bb5",
  "rgb": {
    "r": 58,
    "g": 59,
    "b": 181
  },
  "hsl": {
    "h": 239.512,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43521,
    "c": 0.18729,
    "h": 275
  },
  "luminance": 0.07364
}

Semantic roles & 50–950 ramp

primary

#3A3BB5

secondary

#C6C585

accent

#DA4DDB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3BB5

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

Preview Lab → · Contrast checker → · Palette generator →