#3F4790#3F4790

#3F4790 is a dark, moderate blue. Relative luminance 0.076; OKLCH L 43.0% C 0.119 H 275.5°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#3F4790
RGB	rgb(63, 71, 144)
HSL	hsl(234, 39%, 41%)
HSV	hsv(234, 56%, 56%)
CMYK	cmyk(56.3%, 50.7%, 0%, 43.5%)
CIE-LAB	lab(33.08, 19.13, -41.56)
CIE-LCH	lch(33.08, 45.75, 294.71°)
OKLab	oklab(43.05% 0.0114 -0.1186)
OKLCH	oklch(43.05% 0.119 275.5)
XYZ	xyz(9.3356, 7.5762, 27.3506)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4790 #90883F

analogous

#3F6F90 #3F4790 #5F3F90

triadic

#3F4790 #903F47 #47903F

tetradic

#3F4790 #903F6F #90883F #3F905F

square

#3F4790 #903F6F #90883F #3F905F

split-complementary

#3F4790 #905F3F #6F903F

monochromatic

#1A1D3B #2C3265 #3F4790 #5760B5 #8188C8

Accessibility & contrast

On white

8.35

#3F4790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3F4790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4790

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4790	#FFFFFF	#000000	##FFFFFF
##3F4790	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235193

Deuteranopia (green-blind)

#184B8E

Tritanopia (blue-blind)

#155764

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3f4790;
/* rgb */ color: rgb(63, 71, 144);
/* oklch */ color: oklch(43.0% 0.119 275.5);

Tailwind

colors: {
  custom: {
    50: '#7b7ab1',
    500: '#3f4790',
    950: '#000000',
  },
}

SCSS

$custom: #3f4790;
$custom-light: #7b7ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4790",
  "rgb": {
    "r": 63,
    "g": 71,
    "b": 144
  },
  "hsl": {
    "h": 234.074,
    "s": 39.13,
    "l": 40.588
  },
  "oklch": {
    "l": 0.4305,
    "c": 0.11918,
    "h": 275.5
  },
  "luminance": 0.07577
}

Semantic roles & 50–950 ramp

primary

#3F4790

secondary

#B2AD78

accent

#C359CF

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3F4790

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

Preview Lab → · Contrast checker → · Palette generator →