#437FE2#437FE2

#437FE2 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.6% C 0.163 H 259.9°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX#437FE2
RGBrgb(67, 127, 226)
HSLhsl(217, 73%, 57%)
HSVhsv(217, 70%, 89%)
CMYKcmyk(70.4%, 43.8%, 0%, 11.4%)
CIE-LABlab(53.88, 13.18, -56.08)
CIE-LCHlch(53.88, 57.61, 283.23°)
OKLaboklab(60.65% -0.0286 -0.1604)
OKLCHoklch(60.65% 0.163 259.9)
XYZxyz(23.6266, 21.8605, 74.9111)
Luminance0.2186 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#437FE2 #E2A643
analogous
#43CFE2 #437FE2 #5643E2
triadic
#437FE2 #E2437F #7FE243
tetradic
#437FE2 #E243CF #E2A643 #43E256
square
#437FE2 #E243CF #E2A643 #43E256
split-complementary
#437FE2 #E25643 #CFE243
monochromatic
#174694 #1F5FC9 #437FE2 #78A3EA #ADC7F2

Accessibility & contrast

On white

3.91
#437FE2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.37
#437FE2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FE2
5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##437FE2#FFFFFF#000000##000000
##437FE21.003.915.375.37
#FFFFFF3.911.0021.0021.00
#0000005.3721.001.001.00
##0000005.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#4E89E6
Deuteranopia (green-blind)
#307AE0
Tritanopia (blue-blind)
#0096A5
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #437fe2;
/* rgb */ color: rgb(67, 127, 226);
/* oklch */ color: oklch(60.6% 0.163 259.9);
Tailwind
colors: {
  custom: {
    50: '#89a3ec',
    500: '#437fe2',
    950: '#000000',
  },
}
SCSS
$custom: #437fe2;
$custom-light: #89a3ec;
$custom-dark: #000000;
JSON
{
  "hex": "#437fe2",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 226
  },
  "hsl": {
    "h": 217.358,
    "s": 73.272,
    "l": 57.451
  },
  "oklch": {
    "l": 0.60648,
    "c": 0.16299,
    "h": 259.9
  },
  "luminance": 0.21863
}

Semantic roles & 50–950 ramp

primary
#437FE2
secondary
#E1C8A0
accent
#AA38F0
background
#F9FAFE
surface
#F1F3FD
border
#CBCDD5
text
#0D0F16
muted
#7E7F84

Preview Lab

Preview with #437FE2

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

Preview Lab → · Contrast checker → · Palette generator →

#437FE2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva