#3980B4#3980B4

#3980B4 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.8% C 0.107 H 243.4°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX#3980B4
RGBrgb(57, 128, 180)
HSLhsl(205, 52%, 46%)
HSVhsv(205, 68%, 71%)
CMYKcmyk(68.3%, 28.9%, 0%, 29.4%)
CIE-LABlab(51.38, -5.23, -33.92)
CIE-LCHlch(51.38, 34.32, 261.23°)
OKLaboklab(57.81% -0.0479 -0.0957)
OKLCHoklch(57.81% 0.107 243.4)
XYZxyz(17.6416, 19.6016, 46.0249)
Luminance0.1960 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3980B4 #B46D39
analogous
#39B4AB #3980B4 #3943B4
triadic
#3980B4 #B43980 #80B439
tetradic
#3980B4 #AB39B4 #B46D39 #43B439
square
#3980B4 #AB39B4 #B46D39 #43B439
split-complementary
#3980B4 #B43943 #B4AB39
monochromatic
#1C3E57 #2A5F86 #3980B4 #5E9ECC #8DBADB

Accessibility & contrast

On white

4.27
#3980B4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.92
#3980B4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3980B4
4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3980B4#FFFFFF#000000##000000
##3980B41.004.274.924.92
#FFFFFF4.271.0021.0021.00
#0000004.9221.001.001.00
##0000004.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6981B6
Deuteranopia (green-blind)
#5875B3
Tritanopia (blue-blind)
#008D92
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #3980b4;
/* rgb */ color: rgb(57, 128, 180);
/* oklch */ color: oklch(57.8% 0.107 243.4);
Tailwind
colors: {
  custom: {
    50: '#7da4ca',
    500: '#3980b4',
    950: '#000000',
  },
}
SCSS
$custom: #3980b4;
$custom-light: #7da4ca;
$custom-dark: #000000;
JSON
{
  "hex": "#3980b4",
  "rgb": {
    "r": 57,
    "g": 128,
    "b": 180
  },
  "hsl": {
    "h": 205.366,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57811,
    "c": 0.10705,
    "h": 243.4
  },
  "luminance": 0.19603
}

Semantic roles & 50–950 ramp

primary
#3980B4
secondary
#C59F83
accent
#894CDB
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3980B4

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

Preview Lab → · Contrast checker → · Palette generator →

#3980B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva