#3030B4#3030B4

#3030B4 is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.1% C 0.200 H 273.2°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#3030B4
RGB	rgb(48, 48, 180)
HSL	hsl(240, 58%, 45%)
HSV	hsv(240, 73%, 71%)
CMYK	cmyk(73.3%, 73.3%, 0%, 29.4%)
CIE-LAB	lab(29.50, 43.86, -69.16)
CIE-LCH	lch(29.50, 81.90, 302.38°)
OKLab	oklab(41.09% 0.0111 -0.2001)
OKLCH	oklch(41.09% 0.2 273.2)
XYZ	xyz(10.5113, 6.0365, 43.7824)
Luminance	0.0604 (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

#3030B4 #B4B430

analogous

#3072B4 #3030B4 #7230B4

triadic

#3030B4 #B43030 #30B430

tetradic

#3030B4 #B43072 #B4B430 #30B472

square

#3030B4 #B43072 #B4B430 #30B472

split-complementary

#3030B4 #B47230 #72B430

monochromatic

#161653 #232384 #3030B4 #5151D1 #8181DD

Accessibility & contrast

On white

9.51

#3030B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3030B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3030B4

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3030B4	#FFFFFF	#000000	##FFFFFF
##3030B4	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB8

Deuteranopia (green-blind)

#003FB2

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3030b4;
/* rgb */ color: rgb(48, 48, 180);
/* oklch */ color: oklch(41.1% 0.200 273.2);

Tailwind

colors: {
  custom: {
    50: '#7d6acc',
    500: '#3030b4',
    950: '#000000',
  },
}

SCSS

$custom: #3030b4;
$custom-light: #7d6acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3030b4",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 180
  },
  "hsl": {
    "h": 240,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41086,
    "c": 0.20041,
    "h": 273.2
  },
  "luminance": 0.06038
}

Semantic roles & 50–950 ramp

primary

#3030B4

secondary

#C6C679

accent

#E147E1

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3030B4

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

Preview Lab → · Contrast checker → · Palette generator →