#3F4A67#3F4A67

#3F4A67 is a dark, muted blue. Relative luminance 0.069; OKLCH L 41.2% C 0.051 H 268.1°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F4A67
RGB	rgb(63, 74, 103)
HSL	hsl(224, 24%, 33%)
HSV	hsv(224, 39%, 40%)
CMYK	cmyk(38.8%, 28.2%, 0%, 59.6%)
CIE-LAB	lab(31.65, 3.64, -18.30)
CIE-LCH	lch(31.65, 18.66, 281.24°)
OKLab	oklab(41.2% -0.0017 -0.0509)
OKLCH	oklch(41.2% 0.051 268.1)
XYZ	xyz(6.9461, 6.9333, 13.8016)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4A67 #675C3F

analogous

#3F5E67 #3F4A67 #483F67

triadic

#3F4A67 #673F4A #4A673F

tetradic

#3F4A67 #673F5E #675C3F #3F6748

square

#3F4A67 #673F5E #675C3F #3F6748

split-complementary

#3F4A67 #67483F #5E673F

monochromatic

#11131B #282F41 #3F4A67 #56658D #7684AB

Accessibility & contrast

On white

8.80

#3F4A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3F4A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4A67

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4A67	#FFFFFF	#000000	##FFFFFF
##3F4A67	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404C68

Deuteranopia (green-blind)

#3D4966

Tritanopia (blue-blind)

#335054

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3f4a67;
/* rgb */ color: rgb(63, 74, 103);
/* oklch */ color: oklch(41.2% 0.051 268.1);

Tailwind

colors: {
  custom: {
    50: '#757c92',
    500: '#3f4a67',
    950: '#000000',
  },
}

SCSS

$custom: #3f4a67;
$custom-light: #757c92;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4a67",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 103
  },
  "hsl": {
    "h": 223.5,
    "s": 24.096,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41204,
    "c": 0.05089,
    "h": 268.1
  },
  "luminance": 0.06934
}

Semantic roles & 50–950 ramp

primary

#3F4A67

secondary

#968A6C

accent

#A867C1

background

#F7F7F9

surface

#EDEEF1

border

#C8C9CB

text

#08090D

muted

#7B7B7E

Preview Lab

Preview with #3F4A67

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

Preview Lab → · Contrast checker → · Palette generator →