#3A3CB7#3A3CB7

#3A3CB7 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.9% C 0.189 H 274.7°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#3A3CB7
RGB	rgb(58, 60, 183)
HSL	hsl(239, 52%, 47%)
HSV	hsv(239, 68%, 72%)
CMYK	cmyk(68.3%, 67.2%, 0%, 28.2%)
CIE-LAB	lab(33.03, 38.85, -65.13)
CIE-LCH	lch(33.03, 75.84, 300.82°)
OKLab	oklab(43.87% 0.0153 -0.1881)
OKLCH	oklch(43.87% 0.189 274.7)
XYZ	xyz(11.9052, 7.5491, 45.6203)
Luminance	0.0755 (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

#3A3CB7 #B7B53A

analogous

#3A7BB7 #3A3CB7 #773AB7

triadic

#3A3CB7 #B73A3C #3CB73A

tetradic

#3A3CB7 #B73A7B #B7B53A #3AB777

square

#3A3CB7 #B73A7B #B7B53A #3AB777

split-complementary

#3A3CB7 #B7773A #7BB73A

monochromatic

#1D1E5A #2B2D89 #3A3CB7 #6163CD #9091DC

Accessibility & contrast

On white

8.37

#3A3CB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3A3CB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3CB7

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3CB7	#FFFFFF	#000000	##FFFFFF
##3A3CB7	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BB

Deuteranopia (green-blind)

#0048B5

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3a3cb7;
/* rgb */ color: rgb(58, 60, 183);
/* oklch */ color: oklch(43.9% 0.189 274.7);

Tailwind

colors: {
  custom: {
    50: '#8172ce',
    500: '#3a3cb7',
    950: '#000000',
  },
}

SCSS

$custom: #3a3cb7;
$custom-light: #8172ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3cb7",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 183
  },
  "hsl": {
    "h": 239.04,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43871,
    "c": 0.18871,
    "h": 274.7
  },
  "luminance": 0.0755
}

Semantic roles & 50–950 ramp

primary

#3A3CB7

secondary

#C7C686

accent

#D94CDB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3CB7

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

Preview Lab → · Contrast checker → · Palette generator →