#4045DD#4045DD

#4045DD is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.2% C 0.225 H 273.1°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#4045DD
RGB	rgb(64, 69, 221)
HSL	hsl(238, 70%, 56%)
HSV	hsv(238, 71%, 87%)
CMYK	cmyk(71%, 68.8%, 0%, 13.3%)
CIE-LAB	lab(38.84, 46.93, -77.67)
CIE-LCH	lch(38.84, 90.75, 301.14°)
OKLab	oklab(49.22% 0.0121 -0.2246)
OKLCH	oklch(49.22% 0.225 273.1)
XYZ	xyz(17.2892, 10.5650, 69.5207)
Luminance	0.1057 (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

#4045DD #DDD840

analogous

#4093DD #4045DD #8940DD

triadic

#4045DD #DD4045 #45DD40

tetradic

#4045DD #DD4093 #DDD840 #40DD89

square

#4045DD #DD4093 #DDD840 #40DD89

split-complementary

#4045DD #DD8940 #93DD40

monochromatic

#191C8A #2227BE #4045DD #7478E6 #A8AAEF

Accessibility & contrast

On white

6.75

#4045DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4045DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4045DD

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4045DD	#FFFFFF	#000000	##FFFFFF
##4045DD	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E2

Deuteranopia (green-blind)

#0054DA

Tritanopia (blue-blind)

#006F8C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4045dd;
/* rgb */ color: rgb(64, 69, 221);
/* oklch */ color: oklch(49.2% 0.225 273.1);

Tailwind

colors: {
  custom: {
    50: '#8a7ae9',
    500: '#4045dd',
    950: '#000000',
  },
}

SCSS

$custom: #4045dd;
$custom-light: #8a7ae9;
$custom-dark: #000000;

JSON

{
  "hex": "#4045dd",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 221
  },
  "hsl": {
    "h": 238.089,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.49224,
    "c": 0.22492,
    "h": 273.1
  },
  "luminance": 0.10567
}

Semantic roles & 50–950 ramp

primary

#4045DD

secondary

#DDDB9C

accent

#E73BED

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4045DD

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

Preview Lab → · Contrast checker → · Palette generator →