#3030BB#3030BB

#3030BB is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.8% C 0.209 H 272.7°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#3030BB
RGB	rgb(48, 48, 187)
HSL	hsl(240, 59%, 46%)
HSV	hsv(240, 74%, 73%)
CMYK	cmyk(74.3%, 74.3%, 0%, 26.7%)
CIE-LAB	lab(30.23, 46.18, -72.12)
CIE-LCH	lch(30.23, 85.64, 302.63°)
OKLab	oklab(41.82% 0.0099 -0.2087)
OKLCH	oklch(41.82% 0.209 272.7)
XYZ	xyz(11.2425, 6.3290, 47.6332)
Luminance	0.0633 (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

#3030BB #BBBB30

analogous

#3075BB #3030BB #7530BB

triadic

#3030BB #BB3030 #30BB30

tetradic

#3030BB #BB3075 #BBBB30 #30BB75

square

#3030BB #BB3075 #BBBB30 #30BB75

split-complementary

#3030BB #BB7530 #75BB30

monochromatic

#17175A #23238A #3030BB #5555D3 #8686E0

Accessibility & contrast

On white

9.27

#3030BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3030BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3030BB

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3030BB	#FFFFFF	#000000	##FFFFFF
##3030BB	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBF

Deuteranopia (green-blind)

#0040B9

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3030bb;
/* rgb */ color: rgb(48, 48, 187);
/* oklch */ color: oklch(41.8% 0.209 272.7);

Tailwind

colors: {
  custom: {
    50: '#7f6ad1',
    500: '#3030bb',
    950: '#000000',
  },
}

SCSS

$custom: #3030bb;
$custom-light: #7f6ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3030bb",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 187
  },
  "hsl": {
    "h": 240,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.41816,
    "c": 0.20895,
    "h": 272.7
  },
  "luminance": 0.0633
}

Semantic roles & 50–950 ramp

primary

#3030BB

secondary

#C9C97D

accent

#E245E2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3030BB

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

Preview Lab → · Contrast checker → · Palette generator →