#4030AC#4030AC

#4030AC is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.4% C 0.187 H 280.3°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#4030AC
RGB	rgb(64, 48, 172)
HSL	hsl(248, 56%, 43%)
HSV	hsv(248, 72%, 67%)
CMYK	cmyk(62.8%, 72.1%, 0%, 32.5%)
CIE-LAB	lab(29.87, 43.09, -63.75)
CIE-LCH	lch(29.87, 76.94, 304.06°)
OKLab	oklab(41.4% 0.0333 -0.1839)
OKLCH	oklch(41.4% 0.187 280.3)
XYZ	xyz(10.6153, 6.1817, 39.6555)
Luminance	0.0618 (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

#4030AC #9CAC30

analogous

#305EAC #4030AC #7E30AC

triadic

#4030AC #AC4030 #30AC40

tetradic

#4030AC #AC305E #9CAC30 #30AC7E

square

#4030AC #AC305E #9CAC30 #30AC7E

split-complementary

#4030AC #AC7E30 #5EAC30

monochromatic

#1C154C #2E237C #4030AC #5D4CCD #887CDA

Accessibility & contrast

On white

9.39

#4030AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#4030AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4030AC

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4030AC	#FFFFFF	#000000	##FFFFFF
##4030AC	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB0

Deuteranopia (green-blind)

#0042AA

Tritanopia (blue-blind)

#00526B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #4030ac;
/* rgb */ color: rgb(64, 48, 172);
/* oklch */ color: oklch(41.4% 0.187 280.3);

Tailwind

colors: {
  custom: {
    50: '#826ac6',
    500: '#4030ac',
    950: '#000000',
  },
}

SCSS

$custom: #4030ac;
$custom-light: #826ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#4030ac",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 172
  },
  "hsl": {
    "h": 247.742,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41403,
    "c": 0.18686,
    "h": 280.3
  },
  "luminance": 0.06182
}

Semantic roles & 50–950 ramp

primary

#4030AC

secondary

#B9C375

accent

#E048CC

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4030AC

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

Preview Lab → · Contrast checker → · Palette generator →