#3F4690#3F4690

#3F4690 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.8% C 0.121 H 276.0°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#3F4690
RGB	rgb(63, 70, 144)
HSL	hsl(235, 39%, 41%)
HSV	hsv(235, 56%, 56%)
CMYK	cmyk(56.3%, 51.4%, 0%, 43.5%)
CIE-LAB	lab(32.81, 19.78, -42.00)
CIE-LCH	lch(32.81, 46.43, 295.22°)
OKLab	oklab(42.84% 0.0126 -0.1199)
OKLCH	oklch(42.84% 0.121 276)
XYZ	xyz(9.2725, 7.4501, 27.3295)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4690 #90893F

analogous

#3F6E90 #3F4690 #603F90

triadic

#3F4690 #903F46 #46903F

tetradic

#3F4690 #903F6E #90893F #3F9060

square

#3F4690 #903F6E #90893F #3F9060

split-complementary

#3F4690 #90603F #6E903F

monochromatic

#1A1D3B #2C3165 #3F4690 #575FB5 #8187C8

Accessibility & contrast

On white

8.43

#3F4690 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3F4690 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4690

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4690	#FFFFFF	#000000	##FFFFFF
##3F4690	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215193

Deuteranopia (green-blind)

#154A8E

Tritanopia (blue-blind)

#165764

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3f4690;
/* rgb */ color: rgb(63, 70, 144);
/* oklch */ color: oklch(42.8% 0.121 276.0);

Tailwind

colors: {
  custom: {
    50: '#7b79b1',
    500: '#3f4690',
    950: '#000000',
  },
}

SCSS

$custom: #3f4690;
$custom-light: #7b79b1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4690",
  "rgb": {
    "r": 63,
    "g": 70,
    "b": 144
  },
  "hsl": {
    "h": 234.815,
    "s": 39.13,
    "l": 40.588
  },
  "oklch": {
    "l": 0.42843,
    "c": 0.1206,
    "h": 276
  },
  "luminance": 0.07451
}

Semantic roles & 50–950 ramp

primary

#3F4690

secondary

#B2AD78

accent

#C559CF

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3F4690

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

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