#3B33BC#3B33BC

#3B33BC is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.0% C 0.204 H 276.1°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#3B33BC
RGB	rgb(59, 51, 188)
HSL	hsl(244, 57%, 47%)
HSV	hsv(244, 73%, 74%)
CMYK	cmyk(68.6%, 72.9%, 0%, 26.3%)
CIE-LAB	lab(31.64, 45.91, -70.36)
CIE-LCH	lch(31.64, 84.01, 303.13°)
OKLab	oklab(43.04% 0.0216 -0.2033)
OKLCH	oklch(43.04% 0.204 276.1)
XYZ	xyz(12.0616, 6.9272, 48.2686)
Luminance	0.0693 (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

#3B33BC #B4BC33

analogous

#336FBC #3B33BC #8033BC

triadic

#3B33BC #BC3B33 #33BC3B

tetradic

#3B33BC #BC336F #B4BC33 #33BC80

square

#3B33BC #BC336F #B4BC33 #33BC80

split-complementary

#3B33BC #BC8033 #6FBC33

monochromatic

#1D195C #2C268C #3B33BC #615AD2 #8F8ADF

Accessibility & contrast

On white

8.80

#3B33BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3B33BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B33BC

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B33BC	#FFFFFF	#000000	##FFFFFF
##3B33BC	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C0

Deuteranopia (green-blind)

#0044BA

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3b33bc;
/* rgb */ color: rgb(59, 51, 188);
/* oklch */ color: oklch(43.0% 0.204 276.1);

Tailwind

colors: {
  custom: {
    50: '#836dd1',
    500: '#3b33bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b33bc;
$custom-light: #836dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b33bc",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 188
  },
  "hsl": {
    "h": 243.504,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43037,
    "c": 0.20447,
    "h": 276.1
  },
  "luminance": 0.06928
}

Semantic roles & 50–950 ramp

primary

#3B33BC

secondary

#C5C981

accent

#E147D8

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3B33BC

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

Preview Lab → · Contrast checker → · Palette generator →