#3F357D#3F357D

#3F357D is a dark, moderate blue. Relative luminance 0.051; OKLCH L 38.1% C 0.117 H 285.7°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX#3F357D
RGBrgb(63, 53, 125)
HSLhsl(248, 40%, 35%)
HSVhsv(248, 58%, 49%)
CMYKcmyk(49.6%, 57.6%, 0%, 51%)
CIE-LABlab(26.97, 24.60, -39.62)
CIE-LCHlch(26.97, 46.64, 301.84°)
OKLaboklab(38.05% 0.0318 -0.113)
OKLCHoklch(38.05% 0.117 285.7)
XYZxyz(7.0236, 5.0833, 20.0092)
Luminance0.0508 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F357D #737D35
analogous
#354F7D #3F357D #63357D
triadic
#3F357D #7D3F35 #357D3F
tetradic
#3F357D #7D354F #737D35 #357D63
square
#3F357D #7D354F #737D35 #357D63
split-complementary
#3F357D #7D6335 #4F7D35
monochromatic
#141127 #292352 #3F357D #5547A8 #786CC1

Accessibility & contrast

On white

10.41
#3F357D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.02
#3F357D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F357D
10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F357D#FFFFFF#000000##FFFFFF
##3F357D1.0010.412.0210.41
#FFFFFF10.411.0021.001.00
#0000002.0221.001.0021.00
##FFFFFF10.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0A427F
Deuteranopia (green-blind)
#073E7B
Tritanopia (blue-blind)
#2A4553
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #3f357d;
/* rgb */ color: rgb(63, 53, 125);
/* oklch */ color: oklch(38.1% 0.117 285.7);
Tailwind
colors: {
  custom: {
    50: '#796ca3',
    500: '#3f357d',
    950: '#000000',
  },
}
SCSS
$custom: #3f357d;
$custom-light: #796ca3;
$custom-dark: #000000;
JSON
{
  "hex": "#3f357d",
  "rgb": {
    "r": 63,
    "g": 53,
    "b": 125
  },
  "hsl": {
    "h": 248.333,
    "s": 40.449,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38052,
    "c": 0.11744,
    "h": 285.7
  },
  "luminance": 0.05084
}

Semantic roles & 50–950 ramp

primary
#3F357D
secondary
#9FA965
accent
#D057C0
background
#F7F6FA
surface
#EEEBF4
border
#C9C6CE
text
#09070F
muted
#7B7A7F

Preview Lab

Preview with #3F357D

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

Preview Lab → · Contrast checker → · Palette generator →

#3F357D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva