#3C3FA6#3C3FA6

#3C3FA6 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.162 H 275.9°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#3C3FA6
RGB	rgb(60, 63, 166)
HSL	hsl(238, 47%, 44%)
HSV	hsv(238, 64%, 65%)
CMYK	cmyk(63.9%, 62%, 0%, 34.9%)
CIE-LAB	lab(32.41, 31.42, -56.00)
CIE-LCH	lch(32.41, 64.21, 299.29°)
OKLab	oklab(43.01% 0.0167 -0.1612)
OKLCH	oklch(43.01% 0.162 275.9)
XYZ	xyz(10.5217, 7.2680, 36.9174)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.97

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C3FA6 #A6A33C

analogous

#3C74A6 #3C3FA6 #6E3CA6

triadic

#3C3FA6 #A63C3F #3FA63C

tetradic

#3C3FA6 #A63C74 #A6A33C #3CA66E

square

#3C3FA6 #A63C74 #A6A33C #3CA66E

split-complementary

#3C3FA6 #A66E3C #74A63C

monochromatic

#1C1D4C #2C2E79 #3C3FA6 #5B5EC4 #888AD4

Accessibility & contrast

On white

8.56

#3C3FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3C3FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C3FA6

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C3FA6	#FFFFFF	#000000	##FFFFFF
##3C3FA6	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A9

Deuteranopia (green-blind)

#0048A4

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3c3fa6;
/* rgb */ color: rgb(60, 63, 166);
/* oklch */ color: oklch(43.0% 0.162 275.9);

Tailwind

colors: {
  custom: {
    50: '#7e74c1',
    500: '#3c3fa6',
    950: '#000000',
  },
}

SCSS

$custom: #3c3fa6;
$custom-light: #7e74c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c3fa6",
  "rgb": {
    "r": 60,
    "g": 63,
    "b": 166
  },
  "hsl": {
    "h": 238.302,
    "s": 46.903,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43005,
    "c": 0.1621,
    "h": 275.9
  },
  "luminance": 0.07269
}

Semantic roles & 50–950 ramp

primary

#3C3FA6

secondary

#BEBD7F

accent

#D351D7

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3C3FA6

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

Preview Lab → · Contrast checker → · Palette generator →