#478CBB#478CBB

#478CBB is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.5% C 0.100 H 240.8°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#478CBB
RGBrgb(71, 140, 187)
HSLhsl(204, 46%, 51%)
HSVhsv(204, 62%, 73%)
CMYKcmyk(62%, 25.1%, 0%, 26.7%)
CIE-LABlab(55.77, -7.35, -31.05)
CIE-LCHlch(55.77, 31.90, 256.69°)
OKLaboklab(61.52% -0.0487 -0.0872)
OKLCHoklch(61.52% 0.1 240.8)
XYZxyz(20.9429, 23.6816, 50.4714)
Luminance0.2368 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#478CBB #BB7647
analogous
#47BBB0 #478CBB #4752BB
triadic
#478CBB #BB478C #8CBB47
tetradic
#478CBB #B047BB #BB7647 #52BB47
square
#478CBB #B047BB #BB7647 #52BB47
split-complementary
#478CBB #BB4752 #BBB047
monochromatic
#254A63 #356B90 #478CBB #74A8CC #A0C4DC

Accessibility & contrast

On white

3.66
#478CBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.74
#478CBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #478CBB
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##478CBB#FFFFFF#000000##000000
##478CBB1.003.665.745.74
#FFFFFF3.661.0021.0021.00
#0000005.7421.001.001.00
##0000005.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#778CBD
Deuteranopia (green-blind)
#6780BA
Tritanopia (blue-blind)
#00989C
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #478cbb;
/* rgb */ color: rgb(71, 140, 187);
/* oklch */ color: oklch(61.5% 0.100 240.8);
Tailwind
colors: {
  custom: {
    50: '#85adcf',
    500: '#478cbb',
    950: '#000000',
  },
}
SCSS
$custom: #478cbb;
$custom-light: #85adcf;
$custom-dark: #000000;
JSON
{
  "hex": "#478cbb",
  "rgb": {
    "r": 71,
    "g": 140,
    "b": 187
  },
  "hsl": {
    "h": 204.31,
    "s": 46.032,
    "l": 50.588
  },
  "oklch": {
    "l": 0.61522,
    "c": 0.09987,
    "h": 240.8
  },
  "luminance": 0.23684
}

Semantic roles & 50–950 ramp

primary
#478CBB
secondary
#C9AA95
accent
#8752D6
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #478CBB

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

Preview Lab → · Contrast checker → · Palette generator →

#478CBB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva