#4030BA#4030BA

#4030BA is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.8% C 0.204 H 278.6°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#4030BA
RGB	rgb(64, 48, 186)
HSL	hsl(247, 59%, 46%)
HSV	hsv(247, 74%, 73%)
CMYK	cmyk(65.6%, 74.2%, 0%, 27.1%)
CIE-LAB	lab(31.23, 47.49, -69.85)
CIE-LCH	lch(31.23, 84.46, 304.21°)
OKLab	oklab(42.78% 0.0304 -0.2017)
OKLCH	oklch(42.78% 0.204 278.6)
XYZ	xyz(12.0314, 6.7481, 47.1133)
Luminance	0.0675 (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

#4030BA #AABA30

analogous

#3065BA #4030BA #8530BA

triadic

#4030BA #BA4030 #30BA40

tetradic

#4030BA #BA3065 #AABA30 #30BA85

square

#4030BA #BA3065 #AABA30 #30BA85

split-complementary

#4030BA #BA8530 #65BA30

monochromatic

#1F1759 #2F2389 #4030BA #6354D3 #8F85DF

Accessibility & contrast

On white

8.94

#4030BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#4030BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4030BA

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4030BA	#FFFFFF	#000000	##FFFFFF
##4030BA	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBE

Deuteranopia (green-blind)

#0044B7

Tritanopia (blue-blind)

#005773

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4030ba;
/* rgb */ color: rgb(64, 48, 186);
/* oklch */ color: oklch(42.8% 0.204 278.6);

Tailwind

colors: {
  custom: {
    50: '#856bd0',
    500: '#4030ba',
    950: '#000000',
  },
}

SCSS

$custom: #4030ba;
$custom-light: #856bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4030ba",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 186
  },
  "hsl": {
    "h": 246.957,
    "s": 58.974,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42779,
    "c": 0.20397,
    "h": 278.6
  },
  "luminance": 0.06749
}

Semantic roles & 50–950 ramp

primary

#4030BA

secondary

#C0C97D

accent

#E246D0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4030BA

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

Preview Lab → · Contrast checker → · Palette generator →