#3F4E71#3F4E71

#3F4E71 is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.7% C 0.062 H 266.1°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E71
RGB	rgb(63, 78, 113)
HSL	hsl(222, 28%, 35%)
HSV	hsv(222, 44%, 44%)
CMYK	cmyk(44.2%, 31%, 0%, 55.7%)
CIE-LAB	lab(33.34, 4.16, -21.97)
CIE-LCH	lch(33.34, 22.36, 280.72°)
OKLab	oklab(42.68% -0.0042 -0.0614)
OKLCH	oklch(42.68% 0.062 266.1)
XYZ	xyz(7.7540, 7.6974, 16.6968)
Luminance	0.0770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E71 #71623F

analogous

#3F6771 #3F4E71 #493F71

triadic

#3F4E71 #713F4E #4E713F

tetradic

#3F4E71 #713F67 #71623F #3F7149

square

#3F4E71 #713F67 #71623F #3F7149

split-complementary

#3F4E71 #71493F #67713F

monochromatic

#131822 #29334A #3F4E71 #556998 #7789B3

Accessibility & contrast

On white

8.27

#3F4E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3F4E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E71

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E71	#FFFFFF	#000000	##FFFFFF
##3F4E71	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425173

Deuteranopia (green-blind)

#3D4C70

Tritanopia (blue-blind)

#2E555A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3f4e71;
/* rgb */ color: rgb(63, 78, 113);
/* oklch */ color: oklch(42.7% 0.062 266.1);

Tailwind

colors: {
  custom: {
    50: '#767f9a',
    500: '#3f4e71',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e71;
$custom-light: #767f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e71",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 113
  },
  "hsl": {
    "h": 222,
    "s": 28.409,
    "l": 34.51
  },
  "oklch": {
    "l": 0.42675,
    "c": 0.06154,
    "h": 266.1
  },
  "luminance": 0.07698
}

Semantic roles & 50–950 ramp

primary

#3F4E71

secondary

#9E906E

accent

#A763C5

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#090A0E

muted

#7B7C7E

Preview Lab

Preview with #3F4E71

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

Preview Lab → · Contrast checker → · Palette generator →