#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
RGBrgb(66, 66, 211)
HSLhsl(240, 62%, 54%)
HSVhsv(240, 69%, 83%)
CMYKcmyk(68.7%, 68.7%, 0%, 17.3%)
CIE-LABlab(37.40, 45.60, -74.28)
CIE-LCHlch(37.40, 87.17, 301.55°)
OKLaboklab(47.94% 0.0174 -0.2146)
OKLCHoklch(47.94% 0.215 274.6)
XYZxyz(15.9490, 9.7563, 62.6580)
Luminance0.0976 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

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
##4242D31.007.112.957.11
#FFFFFF7.111.0021.001.00
#0000002.9521.001.0021.00
##FFFFFF7.111.0021.001.00

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 →

#4242D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva