#437CBC#437CBC

#437CBC is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.7% C 0.116 H 252.8°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX#437CBC
RGBrgb(67, 124, 188)
HSLhsl(212, 47%, 50%)
HSVhsv(212, 64%, 74%)
CMYKcmyk(64.4%, 34%, 0%, 26.3%)
CIE-LABlab(50.96, 1.63, -39.15)
CIE-LCHlch(50.96, 39.19, 272.38°)
OKLaboklab(57.71% -0.0343 -0.1109)
OKLCHoklch(57.71% 0.116 252.8)
XYZxyz(18.5962, 19.2376, 50.3004)
Luminance0.1924 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#437CBC #BC8343
analogous
#43B8BC #437CBC #4743BC
triadic
#437CBC #BC437C #7CBC43
tetradic
#437CBC #BC43B8 #BC8343 #43BC47
square
#437CBC #BC43B8 #BC8343 #43BC47
split-complementary
#437CBC #BC4743 #B8BC43
monochromatic
#234062 #335E8F #437CBC #709BCC #9DBBDC

Accessibility & contrast

On white

4.33
#437CBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.85
#437CBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CBC
4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##437CBC#FFFFFF#000000##000000
##437CBC1.004.334.854.85
#FFFFFF4.331.0021.0021.00
#0000004.8521.001.001.00
##0000004.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6080BF
Deuteranopia (green-blind)
#5074BB
Tritanopia (blue-blind)
#008B93
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #437cbc;
/* rgb */ color: rgb(67, 124, 188);
/* oklch */ color: oklch(57.7% 0.116 252.8);
Tailwind
colors: {
  custom: {
    50: '#83a1d0',
    500: '#437cbc',
    950: '#000000',
  },
}
SCSS
$custom: #437cbc;
$custom-light: #83a1d0;
$custom-dark: #000000;
JSON
{
  "hex": "#437cbc",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 188
  },
  "hsl": {
    "h": 211.736,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.57711,
    "c": 0.11607,
    "h": 252.8
  },
  "luminance": 0.19239
}

Semantic roles & 50–950 ramp

primary
#437CBC
secondary
#C9AF92
accent
#9851D7
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82

Preview Lab

Preview with #437CBC

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

Preview Lab → · Contrast checker → · Palette generator →

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