#439BBF#439BBF

#439BBF is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.1% C 0.099 H 228.2°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX#439BBF
RGBrgb(67, 155, 191)
HSLhsl(197, 49%, 51%)
HSVhsv(197, 65%, 75%)
CMYKcmyk(64.9%, 18.8%, 0%, 25.1%)
CIE-LABlab(60.24, -15.10, -26.39)
CIE-LCHlch(60.24, 30.41, 240.22°)
OKLaboklab(65.1% -0.066 -0.0738)
OKLCHoklch(65.1% 0.099 228.2)
XYZxyz(23.4363, 28.3951, 53.5258)
Luminance0.2840 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#439BBF #BF6743
analogous
#43BFA5 #439BBF #435DBF
triadic
#439BBF #BF439B #9BBF43
tetradic
#439BBF #A543BF #BF6743 #5DBF43
square
#439BBF #A543BF #BF6743 #5DBF43
split-complementary
#439BBF #BF435D #BFA543
monochromatic
#225265 #327793 #439BBF #71B3CF #9ECCDE

Accessibility & contrast

On white

3.14
#439BBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.68
#439BBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439BBF
6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##439BBF#FFFFFF#000000##000000
##439BBF1.003.146.686.68
#FFFFFF3.141.0021.0021.00
#0000006.6821.001.001.00
##0000006.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8898C1
Deuteranopia (green-blind)
#778CBF
Tritanopia (blue-blind)
#00A5A7
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #439bbf;
/* rgb */ color: rgb(67, 155, 191);
/* oklch */ color: oklch(65.1% 0.099 228.2);
Tailwind
colors: {
  custom: {
    50: '#84b8d2',
    500: '#439bbf',
    950: '#000000',
  },
}
SCSS
$custom: #439bbf;
$custom-light: #84b8d2;
$custom-dark: #000000;
JSON
{
  "hex": "#439bbf",
  "rgb": {
    "r": 67,
    "g": 155,
    "b": 191
  },
  "hsl": {
    "h": 197.419,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.65097,
    "c": 0.09899,
    "h": 228.2
  },
  "luminance": 0.28398
}

Semantic roles & 50–950 ramp

primary
#439BBF
secondary
#CAA393
accent
#774FD9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082

Preview Lab

Preview with #439BBF

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

Preview Lab → · Contrast checker → · Palette generator →

#439BBF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva