#2243FF#2243FF

#2243FF is a mid, highly saturated blue. Relative luminance 0.116; OKLCH L 51.1% C 0.274 H 266.3°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX#2243FF
RGBrgb(34, 67, 255)
HSLhsl(231, 100%, 57%)
HSVhsv(231, 87%, 100%)
CMYKcmyk(86.7%, 73.7%, 0%, 0%)
CIE-LABlab(40.53, 57.22, -94.14)
CIE-LCHlch(40.53, 110.17, 301.29°)
OKLaboklab(51.09% -0.0174 -0.273)
OKLCHoklch(51.09% 0.274 266.3)
XYZxyz(20.7105, 11.5717, 95.7303)
Luminance0.1157 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2243FF #FFDE22
analogous
#22B1FF #2243FF #7022FF
triadic
#2243FF #FF2243 #43FF22
tetradic
#2243FF #FF22B1 #FFDE22 #22FF70
square
#2243FF #FF22B1 #FFDE22 #22FF70
split-complementary
#2243FF #FF7022 #B1FF22
monochromatic
#0019A7 #0022E4 #2243FF #5F77FF #9CABFF

Accessibility & contrast

On white

6.34
#2243FF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.31
#2243FF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2243FF
6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2243FF#FFFFFF#000000##FFFFFF
##2243FF1.006.343.316.34
#FFFFFF6.341.0021.001.00
#0000003.3121.001.0021.00
##FFFFFF6.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006AFF
Deuteranopia (green-blind)
#0054FC
Tritanopia (blue-blind)
#007B9E
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #2243ff;
/* rgb */ color: rgb(34, 67, 255);
/* oklch */ color: oklch(51.1% 0.274 266.3);
Tailwind
colors: {
  custom: {
    50: '#8a79ff',
    500: '#2243ff',
    950: '#000000',
  },
}
SCSS
$custom: #2243ff;
$custom-light: #8a79ff;
$custom-dark: #000000;
JSON
{
  "hex": "#2243ff",
  "rgb": {
    "r": 34,
    "g": 67,
    "b": 255
  },
  "hsl": {
    "h": 231.041,
    "s": 100,
    "l": 56.667
  },
  "oklch": {
    "l": 0.51086,
    "c": 0.27356,
    "h": 266.3
  },
  "luminance": 0.11574
}

Semantic roles & 50–950 ramp

primary
#2243FF
secondary
#ECDE91
accent
#DF29FF
background
#F9F7FF
surface
#F2EDFF
border
#CCC8D7
text
#0F0918
muted
#7E7B86

Preview Lab

Preview with #2243FF

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

Preview Lab → · Contrast checker → · Palette generator →

#2243FF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva