#3A33BA#3A33BA

#3A33BA is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.8% C 0.202 H 275.9°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#3A33BA
RGB	rgb(58, 51, 186)
HSL	hsl(243, 57%, 46%)
HSV	hsv(243, 73%, 73%)
CMYK	cmyk(68.8%, 72.6%, 0%, 27.1%)
CIE-LAB	lab(31.37, 45.16, -69.62)
CIE-LCH	lch(31.37, 82.98, 302.97°)
OKLab	oklab(42.77% 0.0207 -0.2012)
OKLCH	oklch(42.77% 0.202 275.9)
XYZ	xyz(11.7888, 6.8113, 47.1383)
Luminance	0.0681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.08

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A33BA #B3BA33

analogous

#3370BA #3A33BA #7E33BA

triadic

#3A33BA #BA3A33 #33BA3A

tetradic

#3A33BA #BA3370 #B3BA33 #33BA7E

square

#3A33BA #BA3370 #B3BA33 #33BA7E

split-complementary

#3A33BA #BA7E33 #70BA33

monochromatic

#1C195A #2B268A #3A33BA #5F59D1 #8D89DF

Accessibility & contrast

On white

8.89

#3A33BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3A33BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A33BA

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A33BA	#FFFFFF	#000000	##FFFFFF
##3A33BA	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BE

Deuteranopia (green-blind)

#0044B8

Tritanopia (blue-blind)

#005973

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3a33ba;
/* rgb */ color: rgb(58, 51, 186);
/* oklch */ color: oklch(42.8% 0.202 275.9);

Tailwind

colors: {
  custom: {
    50: '#826cd0',
    500: '#3a33ba',
    950: '#000000',
  },
}

SCSS

$custom: #3a33ba;
$custom-light: #826cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a33ba",
  "rgb": {
    "r": 58,
    "g": 51,
    "b": 186
  },
  "hsl": {
    "h": 243.111,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4277,
    "c": 0.20226,
    "h": 275.9
  },
  "luminance": 0.06812
}

Semantic roles & 50–950 ramp

primary

#3A33BA

secondary

#C5C980

accent

#E048D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3A33BA

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

Preview Lab → · Contrast checker → · Palette generator →