#3030A4#3030A4

#3030A4 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.5% C 0.180 H 274.4°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#3030A4
RGB	rgb(48, 48, 164)
HSL	hsl(240, 55%, 42%)
HSV	hsv(240, 71%, 64%)
CMYK	cmyk(70.7%, 70.7%, 0%, 35.7%)
CIE-LAB	lab(27.90, 38.44, -62.20)
CIE-LCH	lch(27.90, 73.12, 301.72°)
OKLab	oklab(39.46% 0.0137 -0.1798)
OKLCH	oklch(39.46% 0.18 274.4)
XYZ	xyz(8.9745, 5.4218, 35.6883)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3030A4 #A4A430

analogous

#306AA4 #3030A4 #6A30A4

triadic

#3030A4 #A43030 #30A430

tetradic

#3030A4 #A4306A #A4A430 #30A46A

square

#3030A4 #A4306A #A4A430 #30A46A

split-complementary

#3030A4 #A46A30 #6AA430

monochromatic

#141445 #222275 #3030A4 #4848C9 #7777D7

Accessibility & contrast

On white

10.07

#3030A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3030A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3030A4

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3030A4	#FFFFFF	#000000	##FFFFFF
##3030A4	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A8

Deuteranopia (green-blind)

#003CA2

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3030a4;
/* rgb */ color: rgb(48, 48, 164);
/* oklch */ color: oklch(39.5% 0.180 274.4);

Tailwind

colors: {
  custom: {
    50: '#7969c0',
    500: '#3030a4',
    950: '#000000',
  },
}

SCSS

$custom: #3030a4;
$custom-light: #7969c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3030a4",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 164
  },
  "hsl": {
    "h": 240,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.3946,
    "c": 0.18031,
    "h": 274.4
  },
  "luminance": 0.05423
}

Semantic roles & 50–950 ramp

primary

#3030A4

secondary

#BFBF70

accent

#DE4ADE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #3030A4

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

Preview Lab → · Contrast checker → · Palette generator →