#4242D3#4242D3

#4242D3 is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 47.9% C 0.215 H 274.6°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#4242D3
RGB	rgb(66, 66, 211)
HSL	hsl(240, 62%, 54%)
HSV	hsv(240, 69%, 83%)
CMYK	cmyk(68.7%, 68.7%, 0%, 17.3%)
CIE-LAB	lab(37.40, 45.60, -74.28)
CIE-LCH	lch(37.40, 87.17, 301.55°)
OKLab	oklab(47.94% 0.0174 -0.2146)
OKLCH	oklch(47.94% 0.215 274.6)
XYZ	xyz(15.9490, 9.7563, 62.6580)
Luminance	0.0976 (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

#4242D3 #D3D342

analogous

#428BD3 #4242D3 #8B42D3

triadic

#4242D3 #D34242 #42D342

tetradic

#4242D3 #D3428B #D3D342 #42D38B

square

#4242D3 #D3428B #D3D342 #42D38B

split-complementary

#4242D3 #D38B42 #8BD342

monochromatic

#1D1D7D #2929AF #4242D3 #7474DF #A5A5EA

Accessibility & contrast

On white

7.11

#4242D3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#4242D3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4242D3

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4242D3	#FFFFFF	#000000	##FFFFFF
##4242D3	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD7

Deuteranopia (green-blind)

#0051D0

Tritanopia (blue-blind)

#006985

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4242d3;
/* rgb */ color: rgb(66, 66, 211);
/* oklch */ color: oklch(47.9% 0.215 274.6);

Tailwind

colors: {
  custom: {
    50: '#8977e2',
    500: '#4242d3',
    950: '#000000',
  },
}

SCSS

$custom: #4242d3;
$custom-light: #8977e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4242d3",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 211
  },
  "hsl": {
    "h": 240,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.47943,
    "c": 0.21535,
    "h": 274.6
  },
  "luminance": 0.09758
}

Semantic roles & 50–950 ramp

primary

#4242D3

secondary

#D7D79A

accent

#E542E5

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0915

muted

#7E7B84

Preview Lab

Preview with #4242D3

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

Preview Lab → · Contrast checker → · Palette generator →