#3030B7#3030B7

#3030B7 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.4% C 0.204 H 273.0°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#3030B7
RGB	rgb(48, 48, 183)
HSL	hsl(240, 58%, 45%)
HSV	hsv(240, 74%, 72%)
CMYK	cmyk(73.8%, 73.8%, 0%, 28.2%)
CIE-LAB	lab(29.81, 44.86, -70.44)
CIE-LCH	lch(29.81, 83.51, 302.49°)
OKLab	oklab(41.4% 0.0106 -0.2038)
OKLCH	oklch(41.4% 0.204 273)
XYZ	xyz(10.8203, 6.1601, 45.4093)
Luminance	0.0616 (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

#3030B7 #B7B730

analogous

#3073B7 #3030B7 #7330B7

triadic

#3030B7 #B73030 #30B730

tetradic

#3030B7 #B73073 #B7B730 #30B773

square

#3030B7 #B73073 #B7B730 #30B773

split-complementary

#3030B7 #B77330 #73B730

monochromatic

#171756 #232387 #3030B7 #5252D2 #8383DE

Accessibility & contrast

On white

9.41

#3030B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3030B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3030B7

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3030B7	#FFFFFF	#000000	##FFFFFF
##3030B7	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBB

Deuteranopia (green-blind)

#0040B5

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3030b7;
/* rgb */ color: rgb(48, 48, 183);
/* oklch */ color: oklch(41.4% 0.204 273.0);

Tailwind

colors: {
  custom: {
    50: '#7e6ace',
    500: '#3030b7',
    950: '#000000',
  },
}

SCSS

$custom: #3030b7;
$custom-light: #7e6ace;
$custom-dark: #000000;

JSON

{
  "hex": "#3030b7",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 183
  },
  "hsl": {
    "h": 240,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.41398,
    "c": 0.20409,
    "h": 273
  },
  "luminance": 0.06161
}

Semantic roles & 50–950 ramp

primary

#3030B7

secondary

#C8C87B

accent

#E246E2

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3030B7

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

Preview Lab → · Contrast checker → · Palette generator →