#4142D9#4142D9

#4142D9 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.4% C 0.223 H 274.0°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#4142D9
RGB	rgb(65, 66, 217)
HSL	hsl(240, 67%, 55%)
HSV	hsv(240, 70%, 85%)
CMYK	cmyk(70%, 69.6%, 0%, 14.9%)
CIE-LAB	lab(37.89, 47.46, -76.93)
CIE-LCH	lch(37.89, 90.39, 301.67°)
OKLab	oklab(48.45% 0.0154 -0.2224)
OKLCH	oklch(48.45% 0.223 274)
XYZ	xyz(16.6484, 10.0284, 66.6905)
Luminance	0.1003 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.34

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4142D9 #D9D841

analogous

#418ED9 #4142D9 #8C41D9

triadic

#4142D9 #D94142 #42D941

tetradic

#4142D9 #D9418E #D9D841 #41D98C

square

#4142D9 #D9418E #D9D841 #41D98C

split-complementary

#4142D9 #D98C41 #8ED941

monochromatic

#1B1B85 #2526B8 #4142D9 #7475E3 #A7A7ED

Accessibility & contrast

On white

6.99

#4142D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#4142D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4142D9

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4142D9	#FFFFFF	#000000	##FFFFFF
##4142D9	1.00	6.99	3.01	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DE

Deuteranopia (green-blind)

#0052D6

Tritanopia (blue-blind)

#006C89

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4142d9;
/* rgb */ color: rgb(65, 66, 217);
/* oklch */ color: oklch(48.4% 0.223 274.0);

Tailwind

colors: {
  custom: {
    50: '#8a77e6',
    500: '#4142d9',
    950: '#000000',
  },
}

SCSS

$custom: #4142d9;
$custom-light: #8a77e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4142d9",
  "rgb": {
    "r": 65,
    "g": 66,
    "b": 217
  },
  "hsl": {
    "h": 239.605,
    "s": 66.667,
    "l": 55.294
  },
  "oklch": {
    "l": 0.48448,
    "c": 0.22295,
    "h": 274
  },
  "luminance": 0.1003
}

Semantic roles & 50–950 ramp

primary

#4142D9

secondary

#DBDA9B

accent

#E83EEA

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4142D9

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

Preview Lab → · Contrast checker → · Palette generator →