#3380B5#3380B5

#3380B5 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.7% C 0.111 H 242.4°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX#3380B5
RGBrgb(51, 128, 181)
HSLhsl(204, 56%, 45%)
HSVhsv(204, 72%, 71%)
CMYKcmyk(71.8%, 29.3%, 0%, 29%)
CIE-LABlab(51.24, -5.80, -34.73)
CIE-LCHlch(51.24, 35.22, 260.51°)
OKLaboklab(57.66% -0.0513 -0.0982)
OKLCHoklch(57.66% 0.111 242.4)
XYZxyz(17.4217, 19.4764, 46.5483)
Luminance0.1948 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3380B5 #B56833
analogous
#33B5A9 #3380B5 #333FB5
triadic
#3380B5 #B53380 #80B533
tetradic
#3380B5 #A933B5 #B56833 #3FB533
square
#3380B5 #A933B5 #B56833 #3FB533
split-complementary
#3380B5 #B5333F #B5A933
monochromatic
#183C56 #265E85 #3380B5 #569ECF #86B9DD

Accessibility & contrast

On white

4.29
#3380B5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.90
#3380B5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3380B5
4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3380B5#FFFFFF#000000##000000
##3380B51.004.294.904.90
#FFFFFF4.291.0021.0021.00
#0000004.9021.001.001.00
##0000004.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6881B7
Deuteranopia (green-blind)
#5675B4
Tritanopia (blue-blind)
#008D93
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #3380b5;
/* rgb */ color: rgb(51, 128, 181);
/* oklch */ color: oklch(57.7% 0.111 242.4);
Tailwind
colors: {
  custom: {
    50: '#7ba4cb',
    500: '#3380b5',
    950: '#000000',
  },
}
SCSS
$custom: #3380b5;
$custom-light: #7ba4cb;
$custom-dark: #000000;
JSON
{
  "hex": "#3380b5",
  "rgb": {
    "r": 51,
    "g": 128,
    "b": 181
  },
  "hsl": {
    "h": 204.462,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.57659,
    "c": 0.11076,
    "h": 242.4
  },
  "luminance": 0.19478
}

Semantic roles & 50–950 ramp

primary
#3380B5
secondary
#C69B7D
accent
#8648DF
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3380B5

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

Preview Lab → · Contrast checker → · Palette generator →

#3380B5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva