#4148CE#4148CE

#4148CE is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.4% C 0.203 H 273.6°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#4148CE
RGB	rgb(65, 72, 206)
HSL	hsl(237, 59%, 53%)
HSV	hsv(237, 68%, 81%)
CMYK	cmyk(68.4%, 65%, 0%, 19.2%)
CIE-LAB	lab(38.22, 40.24, -70.05)
CIE-LCH	lch(38.22, 80.78, 299.87°)
OKLab	oklab(48.39% 0.0128 -0.2023)
OKLCH	oklch(48.39% 0.203 273.6)
XYZ	xyz(15.6342, 10.2133, 59.5280)
Luminance	0.1022 (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

#4148CE #CEC741

analogous

#418FCE #4148CE #8041CE

triadic

#4148CE #CE4148 #48CE41

tetradic

#4148CE #CE418F #CEC741 #41CE80

square

#4148CE #CE418F #CEC741 #41CE80

split-complementary

#4148CE #CE8041 #8FCE41

monochromatic

#1E2376 #2B31A7 #4148CE #7277DB #A2A6E7

Accessibility & contrast

On white

6.90

#4148CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#4148CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4148CE

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4148CE	#FFFFFF	#000000	##FFFFFF
##4148CE	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D2

Deuteranopia (green-blind)

#0054CB

Tritanopia (blue-blind)

#006B84

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4148ce;
/* rgb */ color: rgb(65, 72, 206);
/* oklch */ color: oklch(48.4% 0.203 273.6);

Tailwind

colors: {
  custom: {
    50: '#877bde',
    500: '#4148ce',
    950: '#000000',
  },
}

SCSS

$custom: #4148ce;
$custom-light: #877bde;
$custom-dark: #000000;

JSON

{
  "hex": "#4148ce",
  "rgb": {
    "r": 65,
    "g": 72,
    "b": 206
  },
  "hsl": {
    "h": 237.021,
    "s": 58.996,
    "l": 53.137
  },
  "oklch": {
    "l": 0.48386,
    "c": 0.20269,
    "h": 273.6
  },
  "luminance": 0.10215
}

Semantic roles & 50–950 ramp

primary

#4148CE

secondary

#D4D197

accent

#DA46E2

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4148CE

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

Preview Lab → · Contrast checker → · Palette generator →