#4048EA#4048EA

#4048EA is a mid, highly saturated blue. Relative luminance 0.117; OKLCH L 50.9% C 0.238 H 272.1°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#4048EA
RGB	rgb(64, 72, 234)
HSL	hsl(237, 80%, 58%)
HSV	hsv(237, 73%, 92%)
CMYK	cmyk(72.6%, 69.2%, 0%, 8.2%)
CIE-LAB	lab(40.68, 49.48, -82.05)
CIE-LCH	lch(40.68, 95.81, 301.09°)
OKLab	oklab(50.91% 0.0088 -0.2374)
OKLCH	oklch(50.91% 0.238 272.1)
XYZ	xyz(19.2780, 11.6632, 79.0612)
Luminance	0.1167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4048EA #EAE240

analogous

#409DEA #4048EA #8D40EA

triadic

#4048EA #EA4048 #48EA40

tetradic

#4048EA #EA409D #EAE240 #40EA8D

square

#4048EA #EA409D #EAE240 #40EA8D

split-complementary

#4048EA #EA8D40 #9DEA40

monochromatic

#11189E #1720D5 #4048EA #777DF0 #AEB2F6

Accessibility & contrast

On white

6.30

#4048EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#4048EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4048EA

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4048EA	#FFFFFF	#000000	##FFFFFF
##4048EA	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068EF

Deuteranopia (green-blind)

#0058E7

Tritanopia (blue-blind)

#007594

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4048ea;
/* rgb */ color: rgb(64, 72, 234);
/* oklch */ color: oklch(50.9% 0.238 272.1);

Tailwind

colors: {
  custom: {
    50: '#8d7cf2',
    500: '#4048ea',
    950: '#000000',
  },
}

SCSS

$custom: #4048ea;
$custom-light: #8d7cf2;
$custom-dark: #000000;

JSON

{
  "hex": "#4048ea",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 234
  },
  "hsl": {
    "h": 237.176,
    "s": 80.189,
    "l": 58.431
  },
  "oklch": {
    "l": 0.50912,
    "c": 0.23753,
    "h": 272.1
  },
  "luminance": 0.11665
}

Semantic roles & 50–950 ramp

primary

#4048EA

secondary

#E5E1A1

accent

#ED31F7

background

#F9F7FF

surface

#F2EEFE

border

#CCC9D6

text

#0E0917

muted

#7E7B85

Preview Lab

Preview with #4048EA

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

Preview Lab → · Contrast checker → · Palette generator →