#3A3CB6#3A3CB6

#3A3CB6 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.8% C 0.187 H 274.7°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#3A3CB6
RGB	rgb(58, 60, 182)
HSL	hsl(239, 52%, 47%)
HSV	hsv(239, 68%, 71%)
CMYK	cmyk(68.1%, 67%, 0%, 28.6%)
CIE-LAB	lab(32.94, 38.51, -64.69)
CIE-LCH	lch(32.94, 75.28, 300.77°)
OKLab	oklab(43.78% 0.0155 -0.1868)
OKLCH	oklch(43.78% 0.187 274.7)
XYZ	xyz(11.8015, 7.5076, 45.0741)
Luminance	0.0751 (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

#3A3CB6 #B6B43A

analogous

#3A7AB6 #3A3CB6 #763AB6

triadic

#3A3CB6 #B63A3C #3CB63A

tetradic

#3A3CB6 #B63A7A #B6B43A #3AB676

square

#3A3CB6 #B63A7A #B6B43A #3AB676

split-complementary

#3A3CB6 #B6763A #7AB63A

monochromatic

#1C1D59 #2B2D88 #3A3CB6 #6162CD #8F90DB

Accessibility & contrast

On white

8.39

#3A3CB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3A3CB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3CB6

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3CB6	#FFFFFF	#000000	##FFFFFF
##3A3CB6	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BA

Deuteranopia (green-blind)

#0048B4

Tritanopia (blue-blind)

#005C74

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a3cb6;
/* rgb */ color: rgb(58, 60, 182);
/* oklch */ color: oklch(43.8% 0.187 274.7);

Tailwind

colors: {
  custom: {
    50: '#8072cd',
    500: '#3a3cb6',
    950: '#000000',
  },
}

SCSS

$custom: #3a3cb6;
$custom-light: #8072cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3cb6",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 182
  },
  "hsl": {
    "h": 239.032,
    "s": 51.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43778,
    "c": 0.18743,
    "h": 274.7
  },
  "luminance": 0.07509
}

Semantic roles & 50–950 ramp

primary

#3A3CB6

secondary

#C6C586

accent

#D94DDB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3CB6

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

Preview Lab → · Contrast checker → · Palette generator →