#3971AF#3971AF

#3971AF is a mid, moderate cyan. Relative luminance 0.158; OKLCH L 54.0% C 0.114 H 252.7°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX#3971AF
RGBrgb(57, 113, 175)
HSLhsl(212, 51%, 45%)
HSVhsv(212, 67%, 69%)
CMYKcmyk(67.4%, 35.4%, 0%, 31.4%)
CIE-LABlab(46.68, 2.00, -38.43)
CIE-LCHlch(46.68, 38.48, 272.98°)
OKLaboklab(54.03% -0.0339 -0.109)
OKLCHoklch(54.03% 0.114 252.7)
XYZxyz(15.3275, 15.7737, 42.7860)
Luminance0.1578 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3971AF #AF7739
analogous
#39ACAF #3971AF #3C39AF
triadic
#3971AF #AF3971 #71AF39
tetradic
#3971AF #AF39AC #AF7739 #39AF3C
square
#3971AF #AF39AC #AF7739 #39AF3C
split-complementary
#3971AF #AF3C39 #ACAF39
monochromatic
#1B3553 #2A5381 #3971AF #5B90CA #8AAFD9

Accessibility & contrast

On white

5.05
#3971AF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.15
#3971AF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3971AF
5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3971AF#FFFFFF#000000##FFFFFF
##3971AF1.005.054.155.05
#FFFFFF5.051.0021.001.00
#0000004.1521.001.0021.00
##FFFFFF5.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5675B2
Deuteranopia (green-blind)
#456AAE
Tritanopia (blue-blind)
#007F88
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #3971af;
/* rgb */ color: rgb(57, 113, 175);
/* oklch */ color: oklch(54.0% 0.114 252.7);
Tailwind
colors: {
  custom: {
    50: '#7c99c7',
    500: '#3971af',
    950: '#000000',
  },
}
SCSS
$custom: #3971af;
$custom-light: #7c99c7;
$custom-dark: #000000;
JSON
{
  "hex": "#3971af",
  "rgb": {
    "r": 57,
    "g": 113,
    "b": 175
  },
  "hsl": {
    "h": 211.525,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54027,
    "c": 0.1142,
    "h": 252.7
  },
  "luminance": 0.15775
}

Semantic roles & 50–950 ramp

primary
#3971AF
secondary
#C3A481
accent
#974DDA
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0D13
muted
#7C7E82

Preview Lab

Preview with #3971AF

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

Preview Lab → · Contrast checker → · Palette generator →

#3971AF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva