#3975A9#3975A9

#3975A9 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.6% C 0.103 H 247.2°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX#3975A9
RGBrgb(57, 117, 169)
HSLhsl(208, 50%, 44%)
HSVhsv(208, 66%, 66%)
CMYKcmyk(66.3%, 30.8%, 0%, 33.7%)
CIE-LABlab(47.57, -2.55, -33.53)
CIE-LCHlch(47.57, 33.62, 265.65°)
OKLaboklab(54.63% -0.0398 -0.0947)
OKLCHoklch(54.63% 0.103 247.2)
XYZxyz(15.2074, 16.4555, 39.9032)
Luminance0.1646 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3975A9 #A96D39
analogous
#39A9A5 #3975A9 #393DA9
triadic
#3975A9 #A93975 #75A939
tetradic
#3975A9 #A539A9 #A96D39 #3DA939
square
#3975A9 #A539A9 #A96D39 #3DA939
split-complementary
#3975A9 #A9393D #A9A539
monochromatic
#1A364D #2A557B #3975A9 #5894C7 #86B1D6

Accessibility & contrast

On white

4.89
#3975A9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.29
#3975A9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3975A9
4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3975A9#FFFFFF#000000##FFFFFF
##3975A91.004.894.294.89
#FFFFFF4.891.0021.001.00
#0000004.2921.001.0021.00
##FFFFFF4.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E77AB
Deuteranopia (green-blind)
#4F6CA8
Tritanopia (blue-blind)
#008187
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #3975a9;
/* rgb */ color: rgb(57, 117, 169);
/* oklch */ color: oklch(54.6% 0.103 247.2);
Tailwind
colors: {
  custom: {
    50: '#7b9cc3',
    500: '#3975a9',
    950: '#000000',
  },
}
SCSS
$custom: #3975a9;
$custom-light: #7b9cc3;
$custom-dark: #000000;
JSON
{
  "hex": "#3975a9",
  "rgb": {
    "r": 57,
    "g": 117,
    "b": 169
  },
  "hsl": {
    "h": 207.857,
    "s": 49.558,
    "l": 44.314
  },
  "oklch": {
    "l": 0.54627,
    "c": 0.10275,
    "h": 247.2
  },
  "luminance": 0.16457
}

Semantic roles & 50–950 ramp

primary
#3975A9
secondary
#C09D7E
accent
#8F4FD9
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E12
muted
#7C7E81

Preview Lab

Preview with #3975A9

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

Preview Lab → · Contrast checker → · Palette generator →

#3975A9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva