#3C33B3#3C33B3

#3C33B3 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.2% C 0.193 H 277.3°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#3C33B3
RGB	rgb(60, 51, 179)
HSL	hsl(244, 56%, 45%)
HSV	hsv(244, 72%, 70%)
CMYK	cmyk(66.5%, 71.5%, 0%, 29.8%)
CIE-LAB	lab(30.84, 43.12, -66.35)
CIE-LCH	lch(30.84, 79.13, 303.02°)
OKLab	oklab(42.22% 0.0245 -0.1916)
OKLCH	oklch(42.22% 0.193 277.3)
XYZ	xyz(11.1813, 6.5820, 43.3203)
Luminance	0.0658 (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

#3C33B3 #AAB333

analogous

#336AB3 #3C33B3 #7C33B3

triadic

#3C33B3 #B33C33 #33B33C

tetradic

#3C33B3 #B3336A #AAB333 #33B37C

square

#3C33B3 #B3336A #AAB333 #33B37C

split-complementary

#3C33B3 #B37C33 #6AB333

monochromatic

#1C1854 #2C2583 #3C33B3 #5D55CE #8B84DC

Accessibility & contrast

On white

9.07

#3C33B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3C33B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C33B3

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C33B3	#FFFFFF	#000000	##FFFFFF
##3C33B3	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB7

Deuteranopia (green-blind)

#0043B1

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3c33b3;
/* rgb */ color: rgb(60, 51, 179);
/* oklch */ color: oklch(42.2% 0.193 277.3);

Tailwind

colors: {
  custom: {
    50: '#816ccb',
    500: '#3c33b3',
    950: '#000000',
  },
}

SCSS

$custom: #3c33b3;
$custom-light: #816ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#3c33b3",
  "rgb": {
    "r": 60,
    "g": 51,
    "b": 179
  },
  "hsl": {
    "h": 244.219,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42218,
    "c": 0.19315,
    "h": 277.3
  },
  "luminance": 0.06583
}

Semantic roles & 50–950 ramp

primary

#3C33B3

secondary

#C0C67C

accent

#DF49D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3C33B3

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

Preview Lab → · Contrast checker → · Palette generator →