#437CD8#437CD8

#437CD8 is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.4% C 0.153 H 259.5°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX#437CD8
RGBrgb(67, 124, 216)
HSLhsl(217, 66%, 55%)
HSVhsv(217, 69%, 85%)
CMYKcmyk(69%, 42.6%, 0%, 15.3%)
CIE-LABlab(52.47, 11.46, -52.71)
CIE-LCHlch(52.47, 53.94, 282.27°)
OKLaboklab(59.37% -0.0278 -0.1506)
OKLCHoklch(59.37% 0.153 259.5)
XYZxyz(21.9126, 20.5642, 67.7669)
Luminance0.2057 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#437CD8 #D89F43
analogous
#43C6D8 #437CD8 #5443D8
triadic
#437CD8 #D8437C #7CD843
tetradic
#437CD8 #D843C6 #D89F43 #43D854
square
#437CD8 #D843C6 #D89F43 #43D854
split-complementary
#437CD8 #D85443 #C6D843
monochromatic
#1C4485 #265EB8 #437CD8 #769FE3 #A8C3ED

Accessibility & contrast

On white

4.11
#437CD8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.11
#437CD8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CD8
5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##437CD8#FFFFFF#000000##000000
##437CD81.004.115.115.11
#FFFFFF4.111.0021.0021.00
#0000005.1121.001.001.00
##0000005.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5085DC
Deuteranopia (green-blind)
#3677D6
Tritanopia (blue-blind)
#00919F
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #437cd8;
/* rgb */ color: rgb(67, 124, 216);
/* oklch */ color: oklch(59.4% 0.153 259.5);
Tailwind
colors: {
  custom: {
    50: '#87a1e4',
    500: '#437cd8',
    950: '#000000',
  },
}
SCSS
$custom: #437cd8;
$custom-light: #87a1e4;
$custom-dark: #000000;
JSON
{
  "hex": "#437cd8",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 216
  },
  "hsl": {
    "h": 217.047,
    "s": 65.639,
    "l": 55.49
  },
  "oklch": {
    "l": 0.59372,
    "c": 0.15313,
    "h": 259.5
  },
  "luminance": 0.20566
}

Semantic roles & 50–950 ramp

primary
#437CD8
secondary
#DAC39C
accent
#A83FE9
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84

Preview Lab

Preview with #437CD8

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

Preview Lab → · Contrast checker → · Palette generator →

#437CD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva