#4048DD#4048DD

#4048DD is a mid, highly saturated blue. Relative luminance 0.109; OKLCH L 49.7% C 0.222 H 272.7°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#4048DD
RGB	rgb(64, 72, 221)
HSL	hsl(237, 70%, 56%)
HSV	hsv(237, 71%, 87%)
CMYK	cmyk(71%, 67.4%, 0%, 13.3%)
CIE-LAB	lab(39.48, 45.17, -76.61)
CIE-LCH	lch(39.48, 88.93, 300.53°)
OKLab	oklab(49.69% 0.0103 -0.2215)
OKLCH	oklch(49.69% 0.222 272.7)
XYZ	xyz(17.4785, 10.9434, 69.5838)
Luminance	0.1095 (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

#4048DD #DDD540

analogous

#4096DD #4048DD #8640DD

triadic

#4048DD #DD4048 #48DD40

tetradic

#4048DD #DD4096 #DDD540 #40DD86

square

#4048DD #DD4096 #DDD540 #40DD86

split-complementary

#4048DD #DD8640 #96DD40

monochromatic

#191E8A #222ABE #4048DD #747AE6 #A8ACEF

Accessibility & contrast

On white

6.59

#4048DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#4048DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4048DD

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4048DD	#FFFFFF	#000000	##FFFFFF
##4048DD	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E2

Deuteranopia (green-blind)

#0056DA

Tritanopia (blue-blind)

#00708D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4048dd;
/* rgb */ color: rgb(64, 72, 221);
/* oklch */ color: oklch(49.7% 0.222 272.7);

Tailwind

colors: {
  custom: {
    50: '#8a7ce9',
    500: '#4048dd',
    950: '#000000',
  },
}

SCSS

$custom: #4048dd;
$custom-light: #8a7ce9;
$custom-dark: #000000;

JSON

{
  "hex": "#4048dd",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 221
  },
  "hsl": {
    "h": 236.943,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.49692,
    "c": 0.22173,
    "h": 272.7
  },
  "luminance": 0.10945
}

Semantic roles & 50–950 ramp

primary

#4048DD

secondary

#DDDA9C

accent

#E43BED

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4048DD

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

Preview Lab → · Contrast checker → · Palette generator →