#438CB8#438CB8

#438CB8 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.2% C 0.099 H 237.8°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX#438CB8
RGBrgb(67, 140, 184)
HSLhsl(203, 47%, 49%)
HSVhsv(203, 64%, 72%)
CMYKcmyk(63.6%, 23.9%, 0%, 27.8%)
CIE-LABlab(55.49, -9.07, -29.78)
CIE-LCHlch(55.49, 31.13, 253.06°)
OKLaboklab(61.22% -0.0525 -0.0836)
OKLCHoklch(61.22% 0.099 237.8)
XYZxyz(20.3412, 23.4081, 48.7843)
Luminance0.2341 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#438CB8 #B86F43
analogous
#43B8AA #438CB8 #4352B8
triadic
#438CB8 #B8438C #8CB843
tetradic
#438CB8 #AA43B8 #B86F43 #52B843
square
#438CB8 #AA43B8 #B86F43 #52B843
split-complementary
#438CB8 #B84352 #B8AA43
monochromatic
#22485E #336A8B #438CB8 #6EA8CA #9BC3DB

Accessibility & contrast

On white

3.70
#438CB8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.68
#438CB8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #438CB8
5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##438CB8#FFFFFF#000000##000000
##438CB81.003.705.685.68
#FFFFFF3.701.0021.0021.00
#0000005.6821.001.001.00
##0000005.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#788BBA
Deuteranopia (green-blind)
#6880B7
Tritanopia (blue-blind)
#00979B
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #438cb8;
/* rgb */ color: rgb(67, 140, 184);
/* oklch */ color: oklch(61.2% 0.099 237.8);
Tailwind
colors: {
  custom: {
    50: '#83adcd',
    500: '#438cb8',
    950: '#000000',
  },
}
SCSS
$custom: #438cb8;
$custom-light: #83adcd;
$custom-dark: #000000;
JSON
{
  "hex": "#438cb8",
  "rgb": {
    "r": 67,
    "g": 140,
    "b": 184
  },
  "hsl": {
    "h": 202.564,
    "s": 46.614,
    "l": 49.216
  },
  "oklch": {
    "l": 0.61219,
    "c": 0.09872,
    "h": 237.8
  },
  "luminance": 0.2341
}

Semantic roles & 50–950 ramp

primary
#438CB8
secondary
#C7A590
accent
#8352D6
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #438CB8

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

Preview Lab → · Contrast checker → · Palette generator →

#438CB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva