#3B33AA#3B33AA

#3B33AA is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.3% C 0.182 H 277.8°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#3B33AA
RGB	rgb(59, 51, 170)
HSL	hsl(244, 54%, 43%)
HSV	hsv(244, 70%, 67%)
CMYK	cmyk(65.3%, 70%, 0%, 33.3%)
CIE-LAB	lab(29.91, 40.04, -62.49)
CIE-LCH	lch(29.91, 74.22, 302.65°)
OKLab	oklab(41.28% 0.0247 -0.1803)
OKLCH	oklch(41.28% 0.182 277.8)
XYZ	xyz(10.2408, 6.1989, 38.6793)
Luminance	0.0620 (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

#3B33AA #A2AA33

analogous

#3366AA #3B33AA #7633AA

triadic

#3B33AA #AA3B33 #33AA3B

tetradic

#3B33AA #AA3366 #A2AA33 #33AA76

square

#3B33AA #AA3366 #A2AA33 #33AA76

split-complementary

#3B33AA #AA7633 #66AA33

monochromatic

#1A174C #2B257B #3B33AA #5850CA #857FD9

Accessibility & contrast

On white

9.38

#3B33AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#3B33AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B33AA

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B33AA	#FFFFFF	#000000	##FFFFFF
##3B33AA	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAE

Deuteranopia (green-blind)

#0041A8

Tritanopia (blue-blind)

#00536A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3b33aa;
/* rgb */ color: rgb(59, 51, 170);
/* oklch */ color: oklch(41.3% 0.182 277.8);

Tailwind

colors: {
  custom: {
    50: '#7f6cc4',
    500: '#3b33aa',
    950: '#000000',
  },
}

SCSS

$custom: #3b33aa;
$custom-light: #7f6cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3b33aa",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 170
  },
  "hsl": {
    "h": 244.034,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41276,
    "c": 0.18204,
    "h": 277.8
  },
  "luminance": 0.062
}

Semantic roles & 50–950 ramp

primary

#3B33AA

secondary

#BDC277

accent

#DD4BD3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3B33AA

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

Preview Lab → · Contrast checker → · Palette generator →