#4148C4#4148C4

#4148C4 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.5% C 0.190 H 274.1°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#4148C4
RGB	rgb(65, 72, 196)
HSL	hsl(237, 53%, 51%)
HSV	hsv(237, 67%, 77%)
CMYK	cmyk(66.8%, 63.3%, 0%, 23.1%)
CIE-LAB	lab(37.38, 36.83, -65.63)
CIE-LCH	lch(37.38, 75.26, 299.30°)
OKLab	oklab(47.51% 0.0136 -0.1893)
OKLCH	oklch(47.51% 0.19 274.1)
XYZ	xyz(14.4578, 9.7428, 53.3325)
Luminance	0.0974 (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

#4148C4 #C4BD41

analogous

#4189C4 #4148C4 #7B41C4

triadic

#4148C4 #C44148 #48C441

tetradic

#4148C4 #C44189 #C4BD41 #41C47B

square

#4148C4 #C44189 #C4BD41 #41C47B

split-complementary

#4148C4 #C47B41 #89C441

monochromatic

#21256A #2F3598 #4148C4 #7075D3 #9EA2E1

Accessibility & contrast

On white

7.12

#4148C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#4148C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4148C4

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4148C4	#FFFFFF	#000000	##FFFFFF
##4148C4	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC8

Deuteranopia (green-blind)

#0052C2

Tritanopia (blue-blind)

#00687F

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4148c4;
/* rgb */ color: rgb(65, 72, 196);
/* oklch */ color: oklch(47.5% 0.190 274.1);

Tailwind

colors: {
  custom: {
    50: '#857bd7',
    500: '#4148c4',
    950: '#000000',
  },
}

SCSS

$custom: #4148c4;
$custom-light: #857bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#4148c4",
  "rgb": {
    "r": 65,
    "g": 72,
    "b": 196
  },
  "hsl": {
    "h": 236.794,
    "s": 52.61,
    "l": 51.176
  },
  "oklch": {
    "l": 0.47507,
    "c": 0.1898,
    "h": 274.1
  },
  "luminance": 0.09744
}

Semantic roles & 50–950 ramp

primary

#4148C4

secondary

#CDCA93

accent

#D44CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4148C4

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

Preview Lab → · Contrast checker → · Palette generator →