#4030BE#4030BE

#4030BE is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.2% C 0.209 H 278.1°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#4030BE
RGB	rgb(64, 48, 190)
HSL	hsl(247, 60%, 47%)
HSV	hsv(247, 75%, 75%)
CMYK	cmyk(66.3%, 74.7%, 0%, 25.5%)
CIE-LAB	lab(31.63, 48.73, -71.55)
CIE-LCH	lch(31.63, 86.57, 304.26°)
OKLab	oklab(43.18% 0.0295 -0.2067)
OKLCH	oklch(43.18% 0.209 278.1)
XYZ	xyz(12.4626, 6.9205, 49.3843)
Luminance	0.0692 (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

#4030BE #AEBE30

analogous

#3067BE #4030BE #8730BE

triadic

#4030BE #BE4030 #30BE40

tetradic

#4030BE #BE3067 #AEBE30 #30BE87

square

#4030BE #BE3067 #AEBE30 #30BE87

split-complementary

#4030BE #BE8730 #67BE30

monochromatic

#1F175C #30248D #4030BE #6557D4 #9288E1

Accessibility & contrast

On white

8.81

#4030BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#4030BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4030BE

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4030BE	#FFFFFF	#000000	##FFFFFF
##4030BE	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C2

Deuteranopia (green-blind)

#0044BB

Tritanopia (blue-blind)

#005975

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4030be;
/* rgb */ color: rgb(64, 48, 190);
/* oklch */ color: oklch(43.2% 0.209 278.1);

Tailwind

colors: {
  custom: {
    50: '#866bd3',
    500: '#4030be',
    950: '#000000',
  },
}

SCSS

$custom: #4030be;
$custom-light: #866bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4030be",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 190
  },
  "hsl": {
    "h": 246.761,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43181,
    "c": 0.20876,
    "h": 278.1
  },
  "luminance": 0.06922
}

Semantic roles & 50–950 ramp

primary

#4030BE

secondary

#C2CB7F

accent

#E345D1

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4030BE

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

Preview Lab → · Contrast checker → · Palette generator →