#3F658C#3F658C

#3F658C is a mid, moderate cyan. Relative luminance 0.123; OKLCH L 49.6% C 0.076 H 250.2°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX#3F658C
RGBrgb(63, 101, 140)
HSLhsl(210, 38%, 40%)
HSVhsv(210, 55%, 55%)
CMYKcmyk(55%, 27.9%, 0%, 45.1%)
CIE-LABlab(41.62, -1.53, -25.63)
CIE-LCHlch(41.62, 25.68, 266.58°)
OKLaboklab(49.57% -0.0259 -0.0719)
OKLCHoklch(49.57% 0.076 250.2)
XYZxyz(11.4355, 12.2567, 26.5690)
Luminance0.1226 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F658C #8C663F
analogous
#3F8B8C #3F658C #403F8C
triadic
#3F658C #8C3F65 #658C3F
tetradic
#3F658C #8C3F8B #8C663F #3F8C40
square
#3F658C #8C3F8B #8C663F #3F8C40
split-complementary
#3F658C #8C403F #8B8C3F
monochromatic
#192838 #2C4762 #3F658C #5583B3 #80A2C6

Accessibility & contrast

On white

6.08
#3F658C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.45
#3F658C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F658C
6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F658C#FFFFFF#000000##FFFFFF
##3F658C1.006.083.456.08
#FFFFFF6.081.0021.001.00
#0000003.4521.001.0021.00
##FFFFFF6.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#55668E
Deuteranopia (green-blind)
#4B5F8B
Tritanopia (blue-blind)
#116E73
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #3f658c;
/* rgb */ color: rgb(63, 101, 140);
/* oklch */ color: oklch(49.6% 0.076 250.2);
Tailwind
colors: {
  custom: {
    50: '#7a90ad',
    500: '#3f658c',
    950: '#000000',
  },
}
SCSS
$custom: #3f658c;
$custom-light: #7a90ad;
$custom-dark: #000000;
JSON
{
  "hex": "#3f658c",
  "rgb": {
    "r": 63,
    "g": 101,
    "b": 140
  },
  "hsl": {
    "h": 210.39,
    "s": 37.931,
    "l": 39.804
  },
  "oklch": {
    "l": 0.4957,
    "c": 0.0764,
    "h": 250.2
  },
  "luminance": 0.12258
}

Semantic roles & 50–950 ramp

primary
#3F658C
secondary
#B09477
accent
#955ACE
background
#F7F8FA
surface
#EEF0F4
border
#C9CBCE
text
#090C10
muted
#7B7D7F

Preview Lab

Preview with #3F658C

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

Preview Lab → · Contrast checker → · Palette generator →

#3F658C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva