#39387B#39387B

#39387B is a dark, moderate blue. Relative luminance 0.051; OKLCH L 38.0% C 0.111 H 280.4°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX#39387B
RGBrgb(57, 56, 123)
HSLhsl(241, 37%, 35%)
HSVhsv(241, 54%, 48%)
CMYKcmyk(53.7%, 54.5%, 0%, 51.8%)
CIE-LABlab(27.10, 20.54, -38.19)
CIE-LCHlch(27.10, 43.36, 298.27°)
OKLaboklab(37.97% 0.02 -0.109)
OKLCHoklch(37.97% 0.111 280.4)
XYZxyz(6.6756, 5.1279, 19.3731)
Luminance0.0513 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#39387B #7A7B38
analogous
#38587B #39387B #5B387B
triadic
#39387B #7B3938 #387B39
tetradic
#39387B #7B3858 #7A7B38 #387B5B
square
#39387B #7B3858 #7A7B38 #387B5B
split-complementary
#39387B #7B5B38 #587B38
monochromatic
#121227 #262551 #39387B #4C4BA5 #7170BE

Accessibility & contrast

On white

10.37
#39387B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.03
#39387B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39387B
10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##39387B#FFFFFF#000000##FFFFFF
##39387B1.0010.372.0310.37
#FFFFFF10.371.0021.001.00
#0000002.0321.001.0021.00
##FFFFFF10.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#15437D
Deuteranopia (green-blind)
#0D3E7A
Tritanopia (blue-blind)
#1E4754
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #39387b;
/* rgb */ color: rgb(57, 56, 123);
/* oklch */ color: oklch(38.0% 0.111 280.4);
Tailwind
colors: {
  custom: {
    50: '#756ea2',
    500: '#39387b',
    950: '#000000',
  },
}
SCSS
$custom: #39387b;
$custom-light: #756ea2;
$custom-dark: #000000;
JSON
{
  "hex": "#39387b",
  "rgb": {
    "r": 57,
    "g": 56,
    "b": 123
  },
  "hsl": {
    "h": 240.896,
    "s": 37.43,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37969,
    "c": 0.11082,
    "h": 280.4
  },
  "luminance": 0.05128
}

Semantic roles & 50–950 ramp

primary
#39387B
secondary
#A6A768
accent
#CD5ACC
background
#F7F6FA
surface
#EDECF3
border
#C8C7CD
text
#09070F
muted
#7B7A7F

Preview Lab

Preview with #39387B

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

Preview Lab → · Contrast checker → · Palette generator →

#39387B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva