#318BB8#318BB8

#318BB8 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.4% C 0.108 H 234.6°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX#318BB8
RGBrgb(49, 139, 184)
HSLhsl(200, 58%, 46%)
HSVhsv(200, 73%, 72%)
CMYKcmyk(73.4%, 24.5%, 0%, 27.8%)
CIE-LABlab(54.63, -11.35, -31.16)
CIE-LCHlch(54.63, 33.16, 249.99°)
OKLaboklab(60.38% -0.0623 -0.0877)
OKLCHoklch(60.38% 0.108 234.6)
XYZxyz(19.1475, 22.5767, 48.6867)
Luminance0.2258 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#318BB8 #B85E31
analogous
#31B8A1 #318BB8 #3147B8
triadic
#318BB8 #B8318B #8BB831
tetradic
#318BB8 #A131B8 #B85E31 #47B831
square
#318BB8 #A131B8 #B85E31 #47B831
split-complementary
#318BB8 #B83147 #B8A131
monochromatic
#174257 #246688 #318BB8 #55A8D2 #85C1DE

Accessibility & contrast

On white

3.81
#318BB8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.52
#318BB8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318BB8
5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##318BB8#FFFFFF#000000##000000
##318BB81.003.815.525.52
#FFFFFF3.811.0021.0021.00
#0000005.5221.001.001.00
##0000005.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#758ABA
Deuteranopia (green-blind)
#637DB7
Tritanopia (blue-blind)
#00979A
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #318bb8;
/* rgb */ color: rgb(49, 139, 184);
/* oklch */ color: oklch(60.4% 0.108 234.6);
Tailwind
colors: {
  custom: {
    50: '#7baccd',
    500: '#318bb8',
    950: '#000000',
  },
}
SCSS
$custom: #318bb8;
$custom-light: #7baccd;
$custom-dark: #000000;
JSON
{
  "hex": "#318bb8",
  "rgb": {
    "r": 49,
    "g": 139,
    "b": 184
  },
  "hsl": {
    "h": 200,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.60381,
    "c": 0.10759,
    "h": 234.6
  },
  "luminance": 0.22579
}

Semantic roles & 50–950 ramp

primary
#318BB8
secondary
#C8967D
accent
#7A47E1
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #318BB8

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

Preview Lab → · Contrast checker → · Palette generator →

#318BB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva