#3A33BC#3A33BC

#3A33BC is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.0% C 0.205 H 275.7°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#3A33BC
RGB	rgb(58, 51, 188)
HSL	hsl(243, 57%, 47%)
HSV	hsv(243, 73%, 74%)
CMYK	cmyk(69.1%, 72.9%, 0%, 26.3%)
CIE-LAB	lab(31.57, 45.81, -70.48)
CIE-LCH	lch(31.57, 84.05, 303.02°)
OKLab	oklab(42.97% 0.0203 -0.2037)
OKLCH	oklch(42.97% 0.205 275.7)
XYZ	xyz(12.0029, 6.8969, 48.2659)
Luminance	0.0690 (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

#3A33BC #B5BC33

analogous

#3370BC #3A33BC #7F33BC

triadic

#3A33BC #BC3A33 #33BC3A

tetradic

#3A33BC #BC3370 #B5BC33 #33BC7F

square

#3A33BC #BC3370 #B5BC33 #33BC7F

split-complementary

#3A33BC #BC7F33 #70BC33

monochromatic

#1C195C #2B268C #3A33BC #605AD2 #8E8ADF

Accessibility & contrast

On white

8.83

#3A33BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3A33BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A33BC

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A33BC	#FFFFFF	#000000	##FFFFFF
##3A33BC	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	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: #3a33bc;
/* rgb */ color: rgb(58, 51, 188);
/* oklch */ color: oklch(43.0% 0.205 275.7);

Tailwind

colors: {
  custom: {
    50: '#826cd1',
    500: '#3a33bc',
    950: '#000000',
  },
}

SCSS

$custom: #3a33bc;
$custom-light: #826cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a33bc",
  "rgb": {
    "r": 58,
    "g": 51,
    "b": 188
  },
  "hsl": {
    "h": 243.066,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.4297,
    "c": 0.20471,
    "h": 275.7
  },
  "luminance": 0.06898
}

Semantic roles & 50–950 ramp

primary

#3A33BC

secondary

#C6C981

accent

#E147D9

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3A33BC

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

Preview Lab → · Contrast checker → · Palette generator →