#3033AA#3033AA

#3033AA is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.5% C 0.185 H 273.4°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#3033AA
RGB	rgb(48, 51, 170)
HSL	hsl(239, 56%, 43%)
HSV	hsv(239, 72%, 67%)
CMYK	cmyk(71.8%, 70%, 0%, 33.3%)
CIE-LAB	lab(29.15, 38.68, -63.76)
CIE-LCH	lch(29.15, 74.58, 301.24°)
OKLab	oklab(40.53% 0.011 -0.1844)
OKLCH	oklch(40.53% 0.185 273.4)
XYZ	xyz(9.6560, 5.8974, 38.6518)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.37

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3033AA #AAA730

analogous

#3070AA #3033AA #6A30AA

triadic

#3033AA #AA3033 #33AA30

tetradic

#3033AA #AA3070 #AAA730 #30AA6A

square

#3033AA #AA3070 #AAA730 #30AA6A

split-complementary

#3033AA #AA6A30 #70AA30

monochromatic

#15164B #23257A #3033AA #4B4ECC #7B7DDA

Accessibility & contrast

On white

9.63

#3033AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3033AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3033AA

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3033AA	#FFFFFF	#000000	##FFFFFF
##3033AA	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAE

Deuteranopia (green-blind)

#003FA8

Tritanopia (blue-blind)

#00546A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3033aa;
/* rgb */ color: rgb(48, 51, 170);
/* oklch */ color: oklch(40.5% 0.185 273.4);

Tailwind

colors: {
  custom: {
    50: '#7a6bc4',
    500: '#3033aa',
    950: '#000000',
  },
}

SCSS

$custom: #3033aa;
$custom-light: #7a6bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3033aa",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 170
  },
  "hsl": {
    "h": 238.525,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40535,
    "c": 0.18469,
    "h": 273.4
  },
  "luminance": 0.05898
}

Semantic roles & 50–950 ramp

primary

#3033AA

secondary

#C2C074

accent

#DC49DF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3033AA

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

Preview Lab → · Contrast checker → · Palette generator →