#4343CB#4343CB

#4343CB is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.4% C 0.204 H 275.3°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX#4343CB
RGBrgb(67, 67, 203)
HSLhsl(240, 57%, 53%)
HSVhsv(240, 67%, 80%)
CMYKcmyk(67%, 67%, 0%, 20.4%)
CIE-LABlab(36.96, 42.50, -70.37)
CIE-LCHlch(36.96, 82.21, 301.13°)
OKLaboklab(47.42% 0.0189 -0.2032)
OKLCHoklch(47.42% 0.204 275.3)
XYZxyz(15.0978, 9.5180, 57.5299)
Luminance0.0952 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4343CB #CBCB43
analogous
#4387CB #4343CB #8743CB
triadic
#4343CB #CB4343 #43CB43
tetradic
#4343CB #CB4387 #CBCB43 #43CB87
square
#4343CB #CB4387 #CBCB43 #43CB87
split-complementary
#4343CB #CB8743 #87CB43
monochromatic
#202074 #2D2DA4 #4343CB #7373D8 #A3A3E6

Accessibility & contrast

On white

7.23
#4343CB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.90
#4343CB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4343CB
7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4343CB#FFFFFF#000000##FFFFFF
##4343CB1.007.232.907.23
#FFFFFF7.231.0021.001.00
#0000002.9021.001.0021.00
##FFFFFF7.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005DCF
Deuteranopia (green-blind)
#0051C8
Tritanopia (blue-blind)
#006781
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #4343cb;
/* rgb */ color: rgb(67, 67, 203);
/* oklch */ color: oklch(47.4% 0.204 275.3);
Tailwind
colors: {
  custom: {
    50: '#8878dc',
    500: '#4343cb',
    950: '#000000',
  },
}
SCSS
$custom: #4343cb;
$custom-light: #8878dc;
$custom-dark: #000000;
JSON
{
  "hex": "#4343cb",
  "rgb": {
    "r": 67,
    "g": 67,
    "b": 203
  },
  "hsl": {
    "h": 240,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.47424,
    "c": 0.20406,
    "h": 275.3
  },
  "luminance": 0.09519
}

Semantic roles & 50–950 ramp

primary
#4343CB
secondary
#D2D298
accent
#E048E0
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0915
muted
#7E7B83

Preview Lab

Preview with #4343CB

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

Preview Lab → · Contrast checker → · Palette generator →

#4343CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva