#3F367D#3F367D

#3F367D is a dark, moderate blue. Relative luminance 0.052; OKLCH L 38.2% C 0.116 H 285.3°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#3F367D
RGB	rgb(63, 54, 125)
HSL	hsl(248, 40%, 35%)
HSV	hsv(248, 57%, 49%)
CMYK	cmyk(49.6%, 56.8%, 0%, 51%)
CIE-LAB	lab(27.23, 23.94, -39.20)
CIE-LCH	lch(27.23, 45.94, 301.42°)
OKLab	oklab(38.24% 0.0306 -0.1118)
OKLCH	oklch(38.24% 0.116 285.3)
XYZ	xyz(7.0696, 5.1754, 20.0245)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F367D #747D36

analogous

#36507D #3F367D #63367D

triadic

#3F367D #7D3F36 #367D3F

tetradic

#3F367D #7D3650 #747D36 #367D63

square

#3F367D #7D3650 #747D36 #367D63

split-complementary

#3F367D #7D6336 #507D36

monochromatic

#141128 #292452 #3F367D #5548A8 #786DC0

Accessibility & contrast

On white

10.32

#3F367D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3F367D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F367D

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F367D	#FFFFFF	#000000	##FFFFFF
##3F367D	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E427F

Deuteranopia (green-blind)

#0B3E7B

Tritanopia (blue-blind)

#2A4654

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3f367d;
/* rgb */ color: rgb(63, 54, 125);
/* oklch */ color: oklch(38.2% 0.116 285.3);

Tailwind

colors: {
  custom: {
    50: '#796da3',
    500: '#3f367d',
    950: '#000000',
  },
}

SCSS

$custom: #3f367d;
$custom-light: #796da3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f367d",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 125
  },
  "hsl": {
    "h": 247.606,
    "s": 39.665,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38244,
    "c": 0.11593,
    "h": 285.3
  },
  "luminance": 0.05176
}

Semantic roles & 50–950 ramp

primary

#3F367D

secondary

#A0A966

accent

#D058C0

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#09070F

muted

#7B7A7F

Preview Lab

Preview with #3F367D

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

Preview Lab → · Contrast checker → · Palette generator →