#3030B1#3030B1

#3030B1 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.8% C 0.197 H 273.4°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#3030B1
RGB	rgb(48, 48, 177)
HSL	hsl(240, 57%, 44%)
HSV	hsv(240, 73%, 69%)
CMYK	cmyk(72.9%, 72.9%, 0%, 30.6%)
CIE-LAB	lab(29.20, 42.85, -67.88)
CIE-LCH	lch(29.20, 80.28, 302.27°)
OKLab	oklab(40.78% 0.0116 -0.1964)
OKLCH	oklch(40.78% 0.197 273.4)
XYZ	xyz(10.2090, 5.9156, 42.1902)
Luminance	0.0592 (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

#3030B1 #B1B130

analogous

#3071B1 #3030B1 #7130B1

triadic

#3030B1 #B13030 #30B130

tetradic

#3030B1 #B13071 #B1B130 #30B171

square

#3030B1 #B13071 #B1B130 #30B171

split-complementary

#3030B1 #B17130 #71B130

monochromatic

#161651 #232381 #3030B1 #4F4FCF #7F7FDC

Accessibility & contrast

On white

9.62

#3030B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3030B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3030B1

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3030B1	#FFFFFF	#000000	##FFFFFF
##3030B1	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB5

Deuteranopia (green-blind)

#003FAF

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3030b1;
/* rgb */ color: rgb(48, 48, 177);
/* oklch */ color: oklch(40.8% 0.197 273.4);

Tailwind

colors: {
  custom: {
    50: '#7c6aca',
    500: '#3030b1',
    950: '#000000',
  },
}

SCSS

$custom: #3030b1;
$custom-light: #7c6aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3030b1",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 177
  },
  "hsl": {
    "h": 240,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.40777,
    "c": 0.1967,
    "h": 273.4
  },
  "luminance": 0.05917
}

Semantic roles & 50–950 ramp

primary

#3030B1

secondary

#C5C578

accent

#E147E1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3030B1

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

Preview Lab → · Contrast checker → · Palette generator →