#3033BB#3033BB

#3033BB is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.3% C 0.206 H 272.4°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#3033BB
RGB	rgb(48, 51, 187)
HSL	hsl(239, 59%, 46%)
HSV	hsv(239, 74%, 73%)
CMYK	cmyk(74.3%, 72.7%, 0%, 26.7%)
CIE-LAB	lab(30.84, 44.47, -71.12)
CIE-LCH	lch(30.84, 83.88, 302.02°)
OKLab	oklab(42.25% 0.0085 -0.2058)
OKLCH	oklch(42.25% 0.206 272.4)
XYZ	xyz(11.3694, 6.5827, 47.6755)
Luminance	0.0658 (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

#3033BB #BBB830

analogous

#3078BB #3033BB #7230BB

triadic

#3033BB #BB3033 #33BB30

tetradic

#3033BB #BB3078 #BBB830 #30BB72

square

#3033BB #BB3078 #BBB830 #30BB72

split-complementary

#3033BB #BB7230 #78BB30

monochromatic

#17185A #23268A #3033BB #5558D3 #8688E0

Accessibility & contrast

On white

9.06

#3033BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3033BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3033BB

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3033BB	#FFFFFF	#000000	##FFFFFF
##3033BB	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBF

Deuteranopia (green-blind)

#0042B9

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3033bb;
/* rgb */ color: rgb(48, 51, 187);
/* oklch */ color: oklch(42.3% 0.206 272.4);

Tailwind

colors: {
  custom: {
    50: '#7e6cd1',
    500: '#3033bb',
    950: '#000000',
  },
}

SCSS

$custom: #3033bb;
$custom-light: #7e6cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3033bb",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 187
  },
  "hsl": {
    "h": 238.705,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4225,
    "c": 0.20598,
    "h": 272.4
  },
  "luminance": 0.06584
}

Semantic roles & 50–950 ramp

primary

#3033BB

secondary

#C9C87D

accent

#DF45E2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3033BB

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

Preview Lab → · Contrast checker → · Palette generator →