#437DEA#437DEA

#437DEA is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.8% C 0.176 H 261.6°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX#437DEA
RGBrgb(67, 125, 234)
HSLhsl(219, 80%, 59%)
HSVhsv(219, 71%, 92%)
CMYKcmyk(71.4%, 46.6%, 0%, 8.2%)
CIE-LABlab(53.81, 17.27, -60.66)
CIE-LCHlch(53.81, 63.07, 285.89°)
OKLaboklab(60.75% -0.0256 -0.174)
OKLCHoklch(60.75% 0.176 261.6)
XYZxyz(24.4943, 21.7984, 80.7426)
Luminance0.2180 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#437DEA #EAB043
analogous
#43D0EA #437DEA #5D43EA
triadic
#437DEA #EA437D #7DEA43
tetradic
#437DEA #EA43D0 #EAB043 #43EA5D
square
#437DEA #EA43D0 #EAB043 #43EA5D
split-complementary
#437DEA #EA5D43 #D0EA43
monochromatic
#1244A1 #185BD8 #437DEA #7AA3F0 #B1C9F6

Accessibility & contrast

On white

3.92
#437DEA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.36
#437DEA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437DEA
5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##437DEA#FFFFFF#000000##000000
##437DEA1.003.925.365.36
#FFFFFF3.921.0021.0021.00
#0000005.3621.001.001.00
##0000005.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#4389EE
Deuteranopia (green-blind)
#1979E8
Tritanopia (blue-blind)
#0097A8
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #437dea;
/* rgb */ color: rgb(67, 125, 234);
/* oklch */ color: oklch(60.8% 0.176 261.6);
Tailwind
colors: {
  custom: {
    50: '#8ba2f1',
    500: '#437dea',
    950: '#000000',
  },
}
SCSS
$custom: #437dea;
$custom-light: #8ba2f1;
$custom-dark: #000000;
JSON
{
  "hex": "#437dea",
  "rgb": {
    "r": 67,
    "g": 125,
    "b": 234
  },
  "hsl": {
    "h": 219.162,
    "s": 79.904,
    "l": 59.02
  },
  "oklch": {
    "l": 0.60751,
    "c": 0.17583,
    "h": 261.6
  },
  "luminance": 0.21801
}

Semantic roles & 50–950 ramp

primary
#437DEA
secondary
#E5CEA4
accent
#B231F6
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0D0E17
muted
#7E7E85

Preview Lab

Preview with #437DEA

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

Preview Lab → · Contrast checker → · Palette generator →

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