#4142FF#4142FF

#4142FF is a mid, highly saturated blue. Relative luminance 0.122; OKLCH L 52.2% C 0.267 H 272.0°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#4142FF
RGB	rgb(65, 66, 255)
HSL	hsl(240, 100%, 63%)
HSV	hsv(240, 75%, 100%)
CMYK	cmyk(74.5%, 74.1%, 0%, 0%)
CIE-LAB	lab(41.59, 59.55, -92.34)
CIE-LCH	lch(41.59, 109.88, 302.82°)
OKLab	oklab(52.19% 0.0094 -0.2673)
OKLCH	oklch(52.19% 0.267 272)
XYZ	xyz(22.1721, 12.2379, 95.7820)
Luminance	0.1224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4142FF #FFFE41

analogous

#41A1FF #4142FF #9F41FF

triadic

#4142FF #FF4142 #42FF41

tetradic

#4142FF #FF41A1 #FFFE41 #41FF9F

square

#4142FF #FF41A1 #FFFE41 #41FF9F

split-complementary

#4142FF #FF9F41 #A1FF41

monochromatic

#0001C6 #0405FF #4142FF #7E7FFF #BBBCFF

Accessibility & contrast

On white

6.09

#4142FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#4142FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4142FF

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4142FF	#FFFFFF	#000000	##FFFFFF
##4142FF	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BFF

Deuteranopia (green-blind)

#0059FC

Tritanopia (blue-blind)

#007A9E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4142ff;
/* rgb */ color: rgb(65, 66, 255);
/* oklch */ color: oklch(52.2% 0.267 272.0);

Tailwind

colors: {
  custom: {
    50: '#9279ff',
    500: '#4142ff',
    950: '#000000',
  },
}

SCSS

$custom: #4142ff;
$custom-light: #9279ff;
$custom-dark: #000000;

JSON

{
  "hex": "#4142ff",
  "rgb": {
    "r": 65,
    "g": 66,
    "b": 255
  },
  "hsl": {
    "h": 239.684,
    "s": 100,
    "l": 62.745
  },
  "oklch": {
    "l": 0.52188,
    "c": 0.26746,
    "h": 272
  },
  "luminance": 0.1224
}

Semantic roles & 50–950 ramp

primary

#4142FF

secondary

#F0F0AC

accent

#E400E6

background

#FAF7FF

surface

#F4EEFF

border

#CEC9D7

text

#0F0918

muted

#7F7B86

Preview Lab

Preview with #4142FF

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

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