#4030BD#4030BD

#4030BD is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.1% C 0.208 H 278.2°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#4030BD
RGB	rgb(64, 48, 189)
HSL	hsl(247, 59%, 46%)
HSV	hsv(247, 75%, 74%)
CMYK	cmyk(66.1%, 74.6%, 0%, 25.9%)
CIE-LAB	lab(31.53, 48.42, -71.13)
CIE-LCH	lch(31.53, 86.05, 304.25°)
OKLab	oklab(43.08% 0.0297 -0.2054)
OKLCH	oklch(43.08% 0.208 278.2)
XYZ	xyz(12.3537, 6.8770, 48.8106)
Luminance	0.0688 (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

#4030BD #ADBD30

analogous

#3066BD #4030BD #8730BD

triadic

#4030BD #BD4030 #30BD40

tetradic

#4030BD #BD3066 #ADBD30 #30BD87

square

#4030BD #BD3066 #ADBD30 #30BD87

split-complementary

#4030BD #BD8730 #66BD30

monochromatic

#1F175B #2F248C #4030BD #6456D4 #9187E0

Accessibility & contrast

On white

8.84

#4030BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#4030BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4030BD

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4030BD	#FFFFFF	#000000	##FFFFFF
##4030BD	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C1

Deuteranopia (green-blind)

#0044BA

Tritanopia (blue-blind)

#005874

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4030bd;
/* rgb */ color: rgb(64, 48, 189);
/* oklch */ color: oklch(43.1% 0.208 278.2);

Tailwind

colors: {
  custom: {
    50: '#856bd2',
    500: '#4030bd',
    950: '#000000',
  },
}

SCSS

$custom: #4030bd;
$custom-light: #856bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#4030bd",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 189
  },
  "hsl": {
    "h": 246.809,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4308,
    "c": 0.20756,
    "h": 278.2
  },
  "luminance": 0.06878
}

Semantic roles & 50–950 ramp

primary

#4030BD

secondary

#C2CA7F

accent

#E345D1

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4030BD

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

Preview Lab → · Contrast checker → · Palette generator →