#3A3FAA#3A3FAA

#3A3FAA is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.2% C 0.168 H 274.8°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#3A3FAA
RGB	rgb(58, 63, 170)
HSL	hsl(237, 49%, 45%)
HSV	hsv(237, 66%, 67%)
CMYK	cmyk(65.9%, 62.9%, 0%, 33.3%)
CIE-LAB	lab(32.60, 32.50, -58.08)
CIE-LCH	lch(32.60, 66.56, 299.23°)
OKLab	oklab(43.22% 0.0141 -0.1674)
OKLCH	oklch(43.22% 0.168 274.8)
XYZ	xyz(10.7757, 7.3559, 38.8744)
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

#3A3FAA #AAA53A

analogous

#3A77AA #3A3FAA #6D3AAA

triadic

#3A3FAA #AA3A3F #3FAA3A

tetradic

#3A3FAA #AA3A77 #AAA53A #3AAA6D

square

#3A3FAA #AA3A77 #AAA53A #3AAA6D

split-complementary

#3A3FAA #AA6D3A #77AA3A

monochromatic

#1B1D4F #2A2E7C #3A3FAA #5A5FC7 #888CD6

Accessibility & contrast

On white

8.50

#3A3FAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3A3FAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3FAA

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3FAA	#FFFFFF	#000000	##FFFFFF
##3A3FAA	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AD

Deuteranopia (green-blind)

#0048A8

Tritanopia (blue-blind)

#005A6E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a3faa;
/* rgb */ color: rgb(58, 63, 170);
/* oklch */ color: oklch(43.2% 0.168 274.8);

Tailwind

colors: {
  custom: {
    50: '#7e74c4',
    500: '#3a3faa',
    950: '#000000',
  },
}

SCSS

$custom: #3a3faa;
$custom-light: #7e74c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3faa",
  "rgb": {
    "r": 58,
    "g": 63,
    "b": 170
  },
  "hsl": {
    "h": 237.321,
    "s": 49.123,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43215,
    "c": 0.16801,
    "h": 274.8
  },
  "luminance": 0.07357
}

Semantic roles & 50–950 ramp

primary

#3A3FAA

secondary

#C1BE7F

accent

#D34FD9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A3FAA

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

Preview Lab → · Contrast checker → · Palette generator →