#437DBD#437DBD

#437DBD is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 58.0% C 0.116 H 252.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX#437DBD
RGBrgb(67, 125, 189)
HSLhsl(211, 48%, 50%)
HSVhsv(211, 65%, 74%)
CMYKcmyk(64.6%, 33.9%, 0%, 25.9%)
CIE-LABlab(51.30, 1.37, -39.19)
CIE-LCHlch(51.30, 39.21, 272.01°)
OKLaboklab(57.99% -0.035 -0.111)
OKLCHoklch(57.99% 0.116 252.5)
XYZxyz(18.8303, 19.5328, 50.9121)
Luminance0.1953 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#437DBD #BD8343
analogous
#43BABD #437DBD #4643BD
triadic
#437DBD #BD437D #7DBD43
tetradic
#437DBD #BD43BA #BD8343 #43BD46
square
#437DBD #BD43BA #BD8343 #43BD46
split-complementary
#437DBD #BD4643 #BABD43
monochromatic
#234163 #335F90 #437DBD #709CCD #9EBCDD

Accessibility & contrast

On white

4.28
#437DBD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.91
#437DBD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437DBD
4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##437DBD#FFFFFF#000000##000000
##437DBD1.004.284.914.91
#FFFFFF4.281.0021.0021.00
#0000004.9121.001.001.00
##0000004.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6181C0
Deuteranopia (green-blind)
#5075BC
Tritanopia (blue-blind)
#008C94
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #437dbd;
/* rgb */ color: rgb(67, 125, 189);
/* oklch */ color: oklch(58.0% 0.116 252.5);
Tailwind
colors: {
  custom: {
    50: '#83a2d1',
    500: '#437dbd',
    950: '#000000',
  },
}
SCSS
$custom: #437dbd;
$custom-light: #83a2d1;
$custom-dark: #000000;
JSON
{
  "hex": "#437dbd",
  "rgb": {
    "r": 67,
    "g": 125,
    "b": 189
  },
  "hsl": {
    "h": 211.475,
    "s": 48.031,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57994,
    "c": 0.11638,
    "h": 252.5
  },
  "luminance": 0.19535
}

Semantic roles & 50–950 ramp

primary
#437DBD
secondary
#C9AF93
accent
#9750D8
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0F14
muted
#7D7E82

Preview Lab

Preview with #437DBD

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

Preview Lab → · Contrast checker → · Palette generator →

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