#3F4590#3F4590

#3F4590 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.6% C 0.122 H 276.5°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#3F4590
RGB	rgb(63, 69, 144)
HSL	hsl(236, 39%, 41%)
HSV	hsv(236, 56%, 56%)
CMYK	cmyk(56.3%, 52.1%, 0%, 43.5%)
CIE-LAB	lab(32.54, 20.45, -42.44)
CIE-LCH	lch(32.54, 47.11, 295.72°)
OKLab	oklab(42.64% 0.0138 -0.1212)
OKLCH	oklch(42.64% 0.122 276.5)
XYZ	xyz(9.2105, 7.3260, 27.3089)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4590 #908A3F

analogous

#3F6D90 #3F4590 #623F90

triadic

#3F4590 #903F45 #45903F

tetradic

#3F4590 #903F6D #908A3F #3F9062

square

#3F4590 #903F6D #908A3F #3F9062

split-complementary

#3F4590 #90623F #6D903F

monochromatic

#1A1C3B #2C3165 #3F4590 #575EB5 #8187C8

Accessibility & contrast

On white

8.52

#3F4590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3F4590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4590

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4590	#FFFFFF	#000000	##FFFFFF
##3F4590	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E5093

Deuteranopia (green-blind)

#12498E

Tritanopia (blue-blind)

#165664

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3f4590;
/* rgb */ color: rgb(63, 69, 144);
/* oklch */ color: oklch(42.6% 0.122 276.5);

Tailwind

colors: {
  custom: {
    50: '#7b78b1',
    500: '#3f4590',
    950: '#000000',
  },
}

SCSS

$custom: #3f4590;
$custom-light: #7b78b1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4590",
  "rgb": {
    "r": 63,
    "g": 69,
    "b": 144
  },
  "hsl": {
    "h": 235.556,
    "s": 39.13,
    "l": 40.588
  },
  "oklch": {
    "l": 0.42638,
    "c": 0.12202,
    "h": 276.5
  },
  "luminance": 0.07327
}

Semantic roles & 50–950 ramp

primary

#3F4590

secondary

#B2AE78

accent

#C659CF

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3F4590

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

Preview Lab → · Contrast checker → · Palette generator →