#4148EA#4148EA

#4148EA is a mid, highly saturated blue. Relative luminance 0.117; OKLCH L 51.0% C 0.237 H 272.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4148EA
RGB	rgb(65, 72, 234)
HSL	hsl(238, 80%, 59%)
HSV	hsv(238, 72%, 92%)
CMYK	cmyk(72.2%, 69.2%, 0%, 8.2%)
CIE-LAB	lab(40.73, 49.58, -81.95)
CIE-LCH	lch(40.73, 95.78, 301.17°)
OKLab	oklab(50.97% 0.0099 -0.2371)
OKLCH	oklch(50.97% 0.237 272.4)
XYZ	xyz(19.3436, 11.6971, 79.0643)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4148EA #EAE341

analogous

#419CEA #4148EA #8E41EA

triadic

#4148EA #EA4148 #48EA41

tetradic

#4148EA #EA419C #EAE341 #41EA8E

square

#4148EA #EA419C #EAE341 #41EA8E

split-complementary

#4148EA #EA8E41 #9CEA41

monochromatic

#12179F #1820D6 #4148EA #787DF0 #AFB2F6

Accessibility & contrast

On white

6.29

#4148EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4148EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4148EA

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4148EA	#FFFFFF	#000000	##FFFFFF
##4148EA	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	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: #4148ea;
/* rgb */ color: rgb(65, 72, 234);
/* oklch */ color: oklch(51.0% 0.237 272.4);

Tailwind

colors: {
  custom: {
    50: '#8d7cf2',
    500: '#4148ea',
    950: '#000000',
  },
}

SCSS

$custom: #4148ea;
$custom-light: #8d7cf2;
$custom-dark: #000000;

JSON

{
  "hex": "#4148ea",
  "rgb": {
    "r": 65,
    "g": 72,
    "b": 234
  },
  "hsl": {
    "h": 237.515,
    "s": 80.095,
    "l": 58.627
  },
  "oklch": {
    "l": 0.50966,
    "c": 0.23729,
    "h": 272.4
  },
  "luminance": 0.11699
}

Semantic roles & 50–950 ramp

primary

#4148EA

secondary

#E5E2A2

accent

#EE31F7

background

#F9F7FF

surface

#F2EEFE

border

#CCC9D6

text

#0E0917

muted

#7E7B85

Preview Lab

Preview with #4148EA

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

Preview Lab → · Contrast checker → · Palette generator →