#4030BC#4030BC

#4030BC is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 43.0% C 0.206 H 278.3°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#4030BC
RGB	rgb(64, 48, 188)
HSL	hsl(247, 59%, 46%)
HSV	hsv(247, 74%, 74%)
CMYK	cmyk(66%, 74.5%, 0%, 26.3%)
CIE-LAB	lab(31.43, 48.11, -70.70)
CIE-LCH	lch(31.43, 85.52, 304.24°)
OKLab	oklab(42.98% 0.03 -0.2042)
OKLCH	oklch(42.98% 0.206 278.3)
XYZ	xyz(12.2455, 6.8337, 48.2409)
Luminance	0.0683 (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

#4030BC #ACBC30

analogous

#3066BC #4030BC #8630BC

triadic

#4030BC #BC4030 #30BC40

tetradic

#4030BC #BC3066 #ACBC30 #30BC86

square

#4030BC #BC3066 #ACBC30 #30BC86

split-complementary

#4030BC #BC8630 #66BC30

monochromatic

#1F175A #2F248B #4030BC #6455D4 #9186E0

Accessibility & contrast

On white

8.87

#4030BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#4030BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4030BC

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4030BC	#FFFFFF	#000000	##FFFFFF
##4030BC	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC0

Deuteranopia (green-blind)

#0044B9

Tritanopia (blue-blind)

#005874

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4030bc;
/* rgb */ color: rgb(64, 48, 188);
/* oklch */ color: oklch(43.0% 0.206 278.3);

Tailwind

colors: {
  custom: {
    50: '#856bd1',
    500: '#4030bc',
    950: '#000000',
  },
}

SCSS

$custom: #4030bc;
$custom-light: #856bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4030bc",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 188
  },
  "hsl": {
    "h": 246.857,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.42979,
    "c": 0.20637,
    "h": 278.3
  },
  "luminance": 0.06835
}

Semantic roles & 50–950 ramp

primary

#4030BC

secondary

#C1CA7E

accent

#E345D1

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4030BC

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

Preview Lab → · Contrast checker → · Palette generator →