#3F4792#3F4792

#3F4792 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.2% C 0.122 H 275.5°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#3F4792
RGB	rgb(63, 71, 146)
HSL	hsl(234, 40%, 41%)
HSV	hsv(234, 57%, 57%)
CMYK	cmyk(56.8%, 51.4%, 0%, 42.7%)
CIE-LAB	lab(33.22, 19.82, -42.57)
CIE-LCH	lch(33.22, 46.96, 294.96°)
OKLab	oklab(43.19% 0.0116 -0.1216)
OKLCH	oklch(43.19% 0.122 275.5)
XYZ	xyz(9.4898, 7.6379, 28.1628)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4792 #928A3F

analogous

#3F7092 #3F4792 #603F92

triadic

#3F4792 #923F47 #47923F

tetradic

#3F4792 #923F70 #928A3F #3F9260

square

#3F4792 #923F70 #928A3F #3F9260

split-complementary

#3F4792 #92603F #70923F

monochromatic

#1A1D3C #2D3267 #3F4792 #5761B7 #8289C9

Accessibility & contrast

On white

8.31

#3F4792 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3F4792 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4792

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4792	#FFFFFF	#000000	##FFFFFF
##3F4792	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215295

Deuteranopia (green-blind)

#144B90

Tritanopia (blue-blind)

#125865

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3f4792;
/* rgb */ color: rgb(63, 71, 146);
/* oklch */ color: oklch(43.2% 0.122 275.5);

Tailwind

colors: {
  custom: {
    50: '#7b7ab2',
    500: '#3f4792',
    950: '#000000',
  },
}

SCSS

$custom: #3f4792;
$custom-light: #7b7ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4792",
  "rgb": {
    "r": 63,
    "g": 71,
    "b": 146
  },
  "hsl": {
    "h": 234.217,
    "s": 39.713,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43193,
    "c": 0.12216,
    "h": 275.5
  },
  "luminance": 0.07639
}

Semantic roles & 50–950 ramp

primary

#3F4792

secondary

#B3AE79

accent

#C458D0

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3F4792

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

Preview Lab → · Contrast checker → · Palette generator →