#3F367E#3F367E

#3F367E is a dark, moderate blue. Relative luminance 0.052; OKLCH L 38.3% C 0.117 H 285.1°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#3F367E
RGB	rgb(63, 54, 126)
HSL	hsl(248, 40%, 35%)
HSV	hsv(248, 57%, 49%)
CMYK	cmyk(50%, 57.1%, 0%, 50.6%)
CIE-LAB	lab(27.30, 24.27, -39.72)
CIE-LCH	lch(27.30, 46.55, 301.43°)
OKLab	oklab(38.32% 0.0306 -0.1133)
OKLCH	oklch(38.32% 0.117 285.1)
XYZ	xyz(7.1338, 5.2011, 20.3626)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F367E #757E36

analogous

#36517E #3F367E #63367E

triadic

#3F367E #7E3F36 #367E3F

tetradic

#3F367E #7E3651 #757E36 #367E63

square

#3F367E #7E3651 #757E36 #367E63

split-complementary

#3F367E #7E6336 #517E36

monochromatic

#141128 #2A2453 #3F367E #5448A9 #786EC1

Accessibility & contrast

On white

10.29

#3F367E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3F367E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F367E

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F367E	#FFFFFF	#000000	##FFFFFF
##3F367E	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4380

Deuteranopia (green-blind)

#083E7C

Tritanopia (blue-blind)

#294654

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3f367e;
/* rgb */ color: rgb(63, 54, 126);
/* oklch */ color: oklch(38.3% 0.117 285.1);

Tailwind

colors: {
  custom: {
    50: '#796da4',
    500: '#3f367e',
    950: '#000000',
  },
}

SCSS

$custom: #3f367e;
$custom-light: #796da4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f367e",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 126
  },
  "hsl": {
    "h": 247.5,
    "s": 40,
    "l": 35.294
  },
  "oklch": {
    "l": 0.38319,
    "c": 0.1174,
    "h": 285.1
  },
  "luminance": 0.05201
}

Semantic roles & 50–950 ramp

primary

#3F367E

secondary

#A1A967

accent

#D058C1

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#09070F

muted

#7B7A7F

Preview Lab

Preview with #3F367E

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

Preview Lab → · Contrast checker → · Palette generator →