#3F4E91#3F4E91

#3F4E91 is a dark, moderate blue. Relative luminance 0.086; OKLCH L 44.6% C 0.111 H 271.7°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E91
RGB	rgb(63, 78, 145)
HSL	hsl(229, 39%, 41%)
HSV	hsv(229, 57%, 57%)
CMYK	cmyk(56.6%, 46.2%, 0%, 43.1%)
CIE-LAB	lab(35.10, 14.86, -38.94)
CIE-LCH	lch(35.10, 41.68, 290.88°)
OKLab	oklab(44.6% 0.0034 -0.1109)
OKLCH	oklch(44.6% 0.111 271.7)
XYZ	xyz(9.8835, 8.5492, 27.9119)
Luminance	0.0855 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E91 #91823F

analogous

#3F7791 #3F4E91 #593F91

triadic

#3F4E91 #913F4E #4E913F

tetradic

#3F4E91 #913F77 #91823F #3F9159

square

#3F4E91 #913F77 #91823F #3F9159

split-complementary

#3F4E91 #91593F #77913F

monochromatic

#1A203C #2C3766 #3F4E91 #5768B6 #828FC9

Accessibility & contrast

On white

7.75

#3F4E91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3F4E91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E91

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E91	#FFFFFF	#000000	##FFFFFF
##3F4E91	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305694

Deuteranopia (green-blind)

#264F90

Tritanopia (blue-blind)

#125D68

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f4e91;
/* rgb */ color: rgb(63, 78, 145);
/* oklch */ color: oklch(44.6% 0.111 271.7);

Tailwind

colors: {
  custom: {
    50: '#7b7fb2',
    500: '#3f4e91',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e91;
$custom-light: #7b7fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e91",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 145
  },
  "hsl": {
    "h": 229.024,
    "s": 39.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.44602,
    "c": 0.11091,
    "h": 271.7
  },
  "luminance": 0.0855
}

Semantic roles & 50–950 ramp

primary

#3F4E91

secondary

#B3A879

accent

#BA58CF

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #3F4E91

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

Preview Lab → · Contrast checker → · Palette generator →