#437EDF#437EDF

#437EDF is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.2% C 0.160 H 259.8°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX#437EDF
RGBrgb(67, 126, 223)
HSLhsl(217, 71%, 57%)
HSVhsv(217, 70%, 87%)
CMYKcmyk(70%, 43.5%, 0%, 12.5%)
CIE-LABlab(53.43, 12.73, -55.12)
CIE-LCHlch(53.43, 56.57, 283.00°)
OKLaboklab(60.24% -0.0283 -0.1576)
OKLCHoklch(60.24% 0.16 259.8)
XYZxyz(23.0901, 21.4403, 72.7192)
Luminance0.2144 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#437EDF #DFA443
analogous
#43CCDF #437EDF #5643DF
triadic
#437EDF #DF437E #7EDF43
tetradic
#437EDF #DF43CC #DFA443 #43DF56
square
#437EDF #DF43CC #DFA443 #43DF56
split-complementary
#437EDF #DF5643 #CCDF43
monochromatic
#18458F #215FC4 #437EDF #77A2E8 #ACC6F1

Accessibility & contrast

On white

3.97
#437EDF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.29
#437EDF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EDF
5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##437EDF#FFFFFF#000000##000000
##437EDF1.003.975.295.29
#FFFFFF3.971.0021.0021.00
#0000005.2921.001.001.00
##0000005.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#4E87E3
Deuteranopia (green-blind)
#3279DD
Tritanopia (blue-blind)
#0095A4
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #437edf;
/* rgb */ color: rgb(67, 126, 223);
/* oklch */ color: oklch(60.2% 0.160 259.8);
Tailwind
colors: {
  custom: {
    50: '#89a2e9',
    500: '#437edf',
    950: '#000000',
  },
}
SCSS
$custom: #437edf;
$custom-light: #89a2e9;
$custom-dark: #000000;
JSON
{
  "hex": "#437edf",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 223
  },
  "hsl": {
    "h": 217.308,
    "s": 70.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.60244,
    "c": 0.16016,
    "h": 259.8
  },
  "luminance": 0.21443
}

Semantic roles & 50–950 ramp

primary
#437EDF
secondary
#DFC79F
accent
#AA3AEE
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0F16
muted
#7E7E84

Preview Lab

Preview with #437EDF

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

Preview Lab → · Contrast checker → · Palette generator →

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