#3975C7#3975C7

#3975C7 is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.4% C 0.142 H 256.9°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#3975C7
RGBrgb(57, 117, 199)
HSLhsl(215, 56%, 50%)
HSVhsv(215, 71%, 78%)
CMYKcmyk(71.4%, 41.2%, 0%, 22%)
CIE-LABlab(49.15, 8.19, -48.37)
CIE-LCHlch(49.15, 49.06, 279.61°)
OKLaboklab(56.38% -0.032 -0.1381)
OKLCHoklch(56.38% 0.142 256.9)
XYZxyz(18.3537, 17.7140, 56.4736)
Luminance0.1772 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3975C7 #C78B39
analogous
#39BCC7 #3975C7 #4439C7
triadic
#3975C7 #C73975 #75C739
tetradic
#3975C7 #C739BC #C78B39 #39C744
square
#3975C7 #C739BC #C78B39 #39C744
split-complementary
#3975C7 #C74439 #BCC739
monochromatic
#1D3D68 #2B5998 #3975C7 #6996D4 #98B8E2

Accessibility & contrast

On white

4.62
#3975C7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.54
#3975C7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3975C7
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3975C7#FFFFFF#000000##FFFFFF
##3975C71.004.624.544.62
#FFFFFF4.621.0021.001.00
#0000004.5421.001.0021.00
##FFFFFF4.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E7CCA
Deuteranopia (green-blind)
#376FC5
Tritanopia (blue-blind)
#008894
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #3975c7;
/* rgb */ color: rgb(57, 117, 199);
/* oklch */ color: oklch(56.4% 0.142 256.9);
Tailwind
colors: {
  custom: {
    50: '#809cd8',
    500: '#3975c7',
    950: '#000000',
  },
}
SCSS
$custom: #3975c7;
$custom-light: #809cd8;
$custom-dark: #000000;
JSON
{
  "hex": "#3975c7",
  "rgb": {
    "r": 57,
    "g": 117,
    "b": 199
  },
  "hsl": {
    "h": 214.648,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56379,
    "c": 0.14177,
    "h": 256.9
  },
  "luminance": 0.17716
}

Semantic roles & 50–950 ramp

primary
#3975C7
secondary
#CEB38E
accent
#A049DF
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83

Preview Lab

Preview with #3975C7

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

Preview Lab → · Contrast checker → · Palette generator →

#3975C7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva