#3F4D90#3F4D90

#3F4D90 is a dark, moderate blue. Relative luminance 0.084; OKLCH L 44.3% C 0.111 H 272.3°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#3F4D90
RGB	rgb(63, 77, 144)
HSL	hsl(230, 39%, 41%)
HSV	hsv(230, 56%, 56%)
CMYK	cmyk(56.3%, 46.5%, 0%, 43.5%)
CIE-LAB	lab(34.76, 15.17, -38.89)
CIE-LCH	lch(34.76, 41.74, 291.31°)
OKLab	oklab(44.32% 0.0044 -0.1107)
OKLCH	oklch(44.32% 0.111 272.3)
XYZ	xyz(9.7362, 8.3774, 27.4841)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4D90 #90823F

analogous

#3F7590 #3F4D90 #5A3F90

triadic

#3F4D90 #903F4D #4D903F

tetradic

#3F4D90 #903F75 #90823F #3F905A

square

#3F4D90 #903F75 #90823F #3F905A

split-complementary

#3F4D90 #905A3F #75903F

monochromatic

#1A1F3B #2C3665 #3F4D90 #5767B5 #818EC8

Accessibility & contrast

On white

7.85

#3F4D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3F4D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4D90

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4D90	#FFFFFF	#000000	##FFFFFF
##3F4D90	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5593

Deuteranopia (green-blind)

#254E8F

Tritanopia (blue-blind)

#145C67

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f4d90;
/* rgb */ color: rgb(63, 77, 144);
/* oklch */ color: oklch(44.3% 0.111 272.3);

Tailwind

colors: {
  custom: {
    50: '#7b7eb1',
    500: '#3f4d90',
    950: '#000000',
  },
}

SCSS

$custom: #3f4d90;
$custom-light: #7b7eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4d90",
  "rgb": {
    "r": 63,
    "g": 77,
    "b": 144
  },
  "hsl": {
    "h": 229.63,
    "s": 39.13,
    "l": 40.588
  },
  "oklch": {
    "l": 0.44319,
    "c": 0.11079,
    "h": 272.3
  },
  "luminance": 0.08378
}

Semantic roles & 50–950 ramp

primary

#3F4D90

secondary

#B2A878

accent

#BB59CF

background

#F7F7FA

surface

#EEEEF5

border

#C9C9CF

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3F4D90

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

Preview Lab → · Contrast checker → · Palette generator →