#4142CC#4142CC

#4142CC is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.2% C 0.207 H 274.7°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#4142CC
RGB	rgb(65, 66, 204)
HSL	hsl(240, 58%, 53%)
HSV	hsv(240, 68%, 80%)
CMYK	cmyk(68.1%, 67.6%, 0%, 20%)
CIE-LAB	lab(36.70, 43.18, -71.38)
CIE-LCH	lch(36.70, 83.42, 301.17°)
OKLab	oklab(47.23% 0.0171 -0.2062)
OKLCH	oklch(47.23% 0.207 274.7)
XYZ	xyz(15.0237, 9.3785, 58.1335)
Luminance	0.0938 (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

#4142CC #CCCB41

analogous

#4188CC #4142CC #8541CC

triadic

#4142CC #CC4142 #42CC41

tetradic

#4142CC #CC4188 #CCCB41 #41CC85

square

#4142CC #CC4188 #CCCB41 #41CC85

split-complementary

#4142CC #CC8541 #88CC41

monochromatic

#1F2074 #2C2DA4 #4142CC #7172D9 #A1A2E6

Accessibility & contrast

On white

7.30

#4142CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#4142CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4142CC

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4142CC	#FFFFFF	#000000	##FFFFFF
##4142CC	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD0

Deuteranopia (green-blind)

#0050C9

Tritanopia (blue-blind)

#006782

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4142cc;
/* rgb */ color: rgb(65, 66, 204);
/* oklch */ color: oklch(47.2% 0.207 274.7);

Tailwind

colors: {
  custom: {
    50: '#8877dd',
    500: '#4142cc',
    950: '#000000',
  },
}

SCSS

$custom: #4142cc;
$custom-light: #8877dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4142cc",
  "rgb": {
    "r": 65,
    "g": 66,
    "b": 204
  },
  "hsl": {
    "h": 239.568,
    "s": 57.676,
    "l": 52.745
  },
  "oklch": {
    "l": 0.47229,
    "c": 0.20691,
    "h": 274.7
  },
  "luminance": 0.0938
}

Semantic roles & 50–950 ramp

primary

#4142CC

secondary

#D3D296

accent

#E047E1

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4142CC

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

Preview Lab → · Contrast checker → · Palette generator →