#3030AB#3030AB

#3030AB is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.2% C 0.189 H 273.8°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#3030AB
RGB	rgb(48, 48, 171)
HSL	hsl(240, 56%, 43%)
HSV	hsv(240, 72%, 67%)
CMYK	cmyk(71.9%, 71.9%, 0%, 32.9%)
CIE-LAB	lab(28.59, 40.83, -65.28)
CIE-LCH	lch(28.59, 77.00, 302.02°)
OKLab	oklab(40.16% 0.0126 -0.1888)
OKLCH	oklch(40.16% 0.189 273.8)
XYZ	xyz(9.6241, 5.6816, 39.1096)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.49

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3030AB #ABAB30

analogous

#306DAB #3030AB #6D30AB

triadic

#3030AB #AB3030 #30AB30

tetradic

#3030AB #AB306D #ABAB30 #30AB6D

square

#3030AB #AB306D #ABAB30 #30AB6D

split-complementary

#3030AB #AB6D30 #6DAB30

monochromatic

#15154B #23237B #3030AB #4C4CCD #7B7BDA

Accessibility & contrast

On white

9.83

#3030AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3030AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3030AB

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3030AB	#FFFFFF	#000000	##FFFFFF
##3030AB	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AF

Deuteranopia (green-blind)

#003EA9

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3030ab;
/* rgb */ color: rgb(48, 48, 171);
/* oklch */ color: oklch(40.2% 0.189 273.8);

Tailwind

colors: {
  custom: {
    50: '#7b69c5',
    500: '#3030ab',
    950: '#000000',
  },
}

SCSS

$custom: #3030ab;
$custom-light: #7b69c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3030ab",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 171
  },
  "hsl": {
    "h": 240,
    "s": 56.164,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40164,
    "c": 0.1892,
    "h": 273.8
  },
  "luminance": 0.05683
}

Semantic roles & 50–950 ramp

primary

#3030AB

secondary

#C3C374

accent

#DF48DF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3030AB

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

Preview Lab → · Contrast checker → · Palette generator →