#3A3CB5#3A3CB5

#3A3CB5 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.7% C 0.186 H 274.8°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#3A3CB5
RGB	rgb(58, 60, 181)
HSL	hsl(239, 51%, 47%)
HSV	hsv(239, 68%, 71%)
CMYK	cmyk(68%, 66.9%, 0%, 29%)
CIE-LAB	lab(32.85, 38.17, -64.24)
CIE-LCH	lch(32.85, 74.72, 300.72°)
OKLab	oklab(43.69% 0.0156 -0.1855)
OKLCH	oklch(43.69% 0.186 274.8)
XYZ	xyz(11.6985, 7.4664, 44.5318)
Luminance	0.0747 (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

#3A3CB5 #B5B33A

analogous

#3A7AB5 #3A3CB5 #753AB5

triadic

#3A3CB5 #B53A3C #3CB53A

tetradic

#3A3CB5 #B53A7A #B5B33A #3AB575

square

#3A3CB5 #B53A7A #B5B33A #3AB575

split-complementary

#3A3CB5 #B5753A #7AB53A

monochromatic

#1C1D58 #2B2D87 #3A3CB5 #6062CC #8E90DB

Accessibility & contrast

On white

8.42

#3A3CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3A3CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3CB5

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3CB5	#FFFFFF	#000000	##FFFFFF
##3A3CB5	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0048B3

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a3cb5;
/* rgb */ color: rgb(58, 60, 181);
/* oklch */ color: oklch(43.7% 0.186 274.8);

Tailwind

colors: {
  custom: {
    50: '#8072cc',
    500: '#3a3cb5',
    950: '#000000',
  },
}

SCSS

$custom: #3a3cb5;
$custom-light: #8072cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3cb5",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 181
  },
  "hsl": {
    "h": 239.024,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43686,
    "c": 0.18613,
    "h": 274.8
  },
  "luminance": 0.07467
}

Semantic roles & 50–950 ramp

primary

#3A3CB5

secondary

#C6C585

accent

#D94DDB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #3A3CB5

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

Preview Lab → · Contrast checker → · Palette generator →