#3980B5#3980B5

#3980B5 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.9% C 0.108 H 243.9°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX#3980B5
RGBrgb(57, 128, 181)
HSLhsl(206, 52%, 47%)
HSVhsv(206, 69%, 71%)
CMYKcmyk(68.5%, 29.3%, 0%, 29%)
CIE-LABlab(51.43, -4.89, -34.42)
CIE-LCHlch(51.43, 34.77, 261.92°)
OKLaboklab(57.86% -0.0476 -0.0972)
OKLCHoklch(57.86% 0.108 243.9)
XYZxyz(17.7438, 19.6425, 46.5634)
Luminance0.1964 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3980B5 #B56E39
analogous
#39B5AC #3980B5 #3942B5
triadic
#3980B5 #B53980 #80B539
tetradic
#3980B5 #AC39B5 #B56E39 #42B539
square
#3980B5 #AC39B5 #B56E39 #42B539
split-complementary
#3980B5 #B53942 #B5AC39
monochromatic
#1C3E58 #2A5F86 #3980B5 #5F9ECD #8DBADB

Accessibility & contrast

On white

4.26
#3980B5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.93
#3980B5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3980B5
4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3980B5#FFFFFF#000000##000000
##3980B51.004.264.934.93
#FFFFFF4.261.0021.0021.00
#0000004.9321.001.001.00
##0000004.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6881B7
Deuteranopia (green-blind)
#5775B4
Tritanopia (blue-blind)
#008D93
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #3980b5;
/* rgb */ color: rgb(57, 128, 181);
/* oklch */ color: oklch(57.9% 0.108 243.9);
Tailwind
colors: {
  custom: {
    50: '#7da4cb',
    500: '#3980b5',
    950: '#000000',
  },
}
SCSS
$custom: #3980b5;
$custom-light: #7da4cb;
$custom-dark: #000000;
JSON
{
  "hex": "#3980b5",
  "rgb": {
    "r": 57,
    "g": 128,
    "b": 181
  },
  "hsl": {
    "h": 205.645,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57863,
    "c": 0.10822,
    "h": 243.9
  },
  "luminance": 0.19644
}

Semantic roles & 50–950 ramp

primary
#3980B5
secondary
#C6A084
accent
#8A4CDC
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3980B5

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

Preview Lab → · Contrast checker → · Palette generator →

#3980B5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva