#3F4E7E#3F4E7E

#3F4E7E is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.4% C 0.082 H 269.6°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E7E
RGB	rgb(63, 78, 126)
HSL	hsl(226, 33%, 37%)
HSV	hsv(226, 50%, 49%)
CMYK	cmyk(50%, 38.1%, 0%, 50.6%)
CIE-LAB	lab(34.01, 8.39, -29.02)
CIE-LCH	lch(34.01, 30.21, 286.13°)
OKLab	oklab(43.41% -0.0005 -0.0818)
OKLCH	oklch(43.41% 0.082 269.6)
XYZ	xyz(8.5390, 8.0114, 20.8310)
Luminance	0.0801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E7E #7E6F3F

analogous

#3F6E7E #3F4E7E #503F7E

triadic

#3F4E7E #7E3F4E #4E7E3F

tetradic

#3F4E7E #7E3F6E #7E6F3F #3F7E50

square

#3F4E7E #7E3F6E #7E6F3F #3F7E50

split-complementary

#3F4E7E #7E503F #6E7E3F

monochromatic

#161B2C #2B3555 #3F4E7E #5367A7 #7B8ABD

Accessibility & contrast

On white

8.07

#3F4E7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3F4E7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E7E

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E7E	#FFFFFF	#000000	##FFFFFF
##3F4E7E	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5380

Deuteranopia (green-blind)

#364D7D

Tritanopia (blue-blind)

#265860

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f4e7e;
/* rgb */ color: rgb(63, 78, 126);
/* oklch */ color: oklch(43.4% 0.082 269.6);

Tailwind

colors: {
  custom: {
    50: '#787fa3',
    500: '#3f4e7e',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e7e;
$custom-light: #787fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e7e",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 126
  },
  "hsl": {
    "h": 225.714,
    "s": 33.333,
    "l": 37.059
  },
  "oklch": {
    "l": 0.43405,
    "c": 0.08184,
    "h": 269.6
  },
  "luminance": 0.08012
}

Semantic roles & 50–950 ramp

primary

#3F4E7E

secondary

#A79A72

accent

#B05EC9

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #3F4E7E

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

Preview Lab → · Contrast checker → · Palette generator →