#3A3FB7#3A3FB7

#3A3FB7 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.4% C 0.185 H 274.1°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#3A3FB7
RGB	rgb(58, 63, 183)
HSL	hsl(238, 52%, 47%)
HSV	hsv(238, 68%, 72%)
CMYK	cmyk(68.3%, 65.6%, 0%, 28.2%)
CIE-LAB	lab(33.72, 37.01, -64.00)
CIE-LCH	lch(33.72, 73.93, 300.04°)
OKLab	oklab(44.37% 0.0132 -0.1848)
OKLCH	oklch(44.37% 0.185 274.1)
XYZ	xyz(12.0668, 7.8723, 45.6742)
Luminance	0.0787 (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

#3A3FB7 #B7B23A

analogous

#3A7EB7 #3A3FB7 #743AB7

triadic

#3A3FB7 #B73A3F #3FB73A

tetradic

#3A3FB7 #B73A7E #B7B23A #3AB774

square

#3A3FB7 #B73A7E #B7B23A #3AB774

split-complementary

#3A3FB7 #B7743A #7EB73A

monochromatic

#1D1F5A #2B2F89 #3A3FB7 #6166CD #9093DC

Accessibility & contrast

On white

8.16

#3A3FB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3A3FB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3FB7

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3FB7	#FFFFFF	#000000	##FFFFFF
##3A3FB7	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BB

Deuteranopia (green-blind)

#004AB5

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3a3fb7;
/* rgb */ color: rgb(58, 63, 183);
/* oklch */ color: oklch(44.4% 0.185 274.1);

Tailwind

colors: {
  custom: {
    50: '#8074ce',
    500: '#3a3fb7',
    950: '#000000',
  },
}

SCSS

$custom: #3a3fb7;
$custom-light: #8074ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3fb7",
  "rgb": {
    "r": 58,
    "g": 63,
    "b": 183
  },
  "hsl": {
    "h": 237.6,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44373,
    "c": 0.18524,
    "h": 274.1
  },
  "luminance": 0.07873
}

Semantic roles & 50–950 ramp

primary

#3A3FB7

secondary

#C7C486

accent

#D64CDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3FB7

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

Preview Lab → · Contrast checker → · Palette generator →