#3A3FB6#3A3FB6

#3A3FB6 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.3% C 0.184 H 274.1°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#3A3FB6
RGB	rgb(58, 63, 182)
HSL	hsl(238, 52%, 47%)
HSV	hsv(238, 68%, 71%)
CMYK	cmyk(68.1%, 65.4%, 0%, 28.6%)
CIE-LAB	lab(33.63, 36.66, -63.55)
CIE-LCH	lch(33.63, 73.37, 299.98°)
OKLab	oklab(44.28% 0.0133 -0.1834)
OKLCH	oklch(44.28% 0.184 274.1)
XYZ	xyz(11.9631, 7.8309, 45.1280)
Luminance	0.0783 (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

#3A3FB6 #B6B13A

analogous

#3A7DB6 #3A3FB6 #733AB6

triadic

#3A3FB6 #B63A3F #3FB63A

tetradic

#3A3FB6 #B63A7D #B6B13A #3AB673

square

#3A3FB6 #B63A7D #B6B13A #3AB673

split-complementary

#3A3FB6 #B6733A #7DB63A

monochromatic

#1C1F59 #2B2F88 #3A3FB6 #6165CD #8F92DB

Accessibility & contrast

On white

8.18

#3A3FB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3A3FB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3FB6

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3FB6	#FFFFFF	#000000	##FFFFFF
##3A3FB6	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BA

Deuteranopia (green-blind)

#0049B4

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3a3fb6;
/* rgb */ color: rgb(58, 63, 182);
/* oklch */ color: oklch(44.3% 0.184 274.1);

Tailwind

colors: {
  custom: {
    50: '#8074cd',
    500: '#3a3fb6',
    950: '#000000',
  },
}

SCSS

$custom: #3a3fb6;
$custom-light: #8074cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3fb6",
  "rgb": {
    "r": 58,
    "g": 63,
    "b": 182
  },
  "hsl": {
    "h": 237.581,
    "s": 51.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44282,
    "c": 0.18393,
    "h": 274.1
  },
  "luminance": 0.07832
}

Semantic roles & 50–950 ramp

primary

#3A3FB6

secondary

#C6C486

accent

#D54DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3FB6

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

Preview Lab → · Contrast checker → · Palette generator →