#4148C9#4148C9

#4148C9 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.9% C 0.196 H 273.9°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#4148C9
RGB	rgb(65, 72, 201)
HSL	hsl(237, 56%, 52%)
HSV	hsv(237, 68%, 79%)
CMYK	cmyk(67.7%, 64.2%, 0%, 21.2%)
CIE-LAB	lab(37.80, 38.54, -67.85)
CIE-LCH	lch(37.80, 78.03, 299.60°)
OKLab	oklab(47.94% 0.0132 -0.1958)
OKLCH	oklch(47.94% 0.196 273.9)
XYZ	xyz(15.0364, 9.9742, 56.3798)
Luminance	0.0998 (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

#4148C9 #C9C241

analogous

#418CC9 #4148C9 #7E41C9

triadic

#4148C9 #C94148 #48C941

tetradic

#4148C9 #C9418C #C9C241 #41C97E

square

#4148C9 #C9418C #C9C241 #41C97E

split-complementary

#4148C9 #C97E41 #8CC941

monochromatic

#202470 #2D339F #4148C9 #7176D7 #A0A4E4

Accessibility & contrast

On white

7.01

#4148C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#4148C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4148C9

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4148C9	#FFFFFF	#000000	##FFFFFF
##4148C9	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FCD

Deuteranopia (green-blind)

#0053C7

Tritanopia (blue-blind)

#006982

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4148c9;
/* rgb */ color: rgb(65, 72, 201);
/* oklch */ color: oklch(47.9% 0.196 273.9);

Tailwind

colors: {
  custom: {
    50: '#867bda',
    500: '#4148c9',
    950: '#000000',
  },
}

SCSS

$custom: #4148c9;
$custom-light: #867bda;
$custom-dark: #000000;

JSON

{
  "hex": "#4148c9",
  "rgb": {
    "r": 65,
    "g": 72,
    "b": 201
  },
  "hsl": {
    "h": 236.912,
    "s": 55.738,
    "l": 52.157
  },
  "oklch": {
    "l": 0.47944,
    "c": 0.19628,
    "h": 273.9
  },
  "luminance": 0.09976
}

Semantic roles & 50–950 ramp

primary

#4148C9

secondary

#D1CE95

accent

#D749DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #4148C9

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

Preview Lab → · Contrast checker → · Palette generator →