#3F4AA2#3F4AA2

#3F4AA2 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 45.0% C 0.141 H 273.9°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#3F4AA2
RGB	rgb(63, 74, 162)
HSL	hsl(233, 44%, 44%)
HSV	hsv(233, 61%, 64%)
CMYK	cmyk(61.1%, 54.3%, 0%, 36.5%)
CIE-LAB	lab(35.13, 23.42, -49.18)
CIE-LCH	lch(35.13, 54.47, 295.47°)
OKLab	oklab(44.98% 0.0097 -0.141)
OKLCH	oklch(44.98% 0.141 273.9)
XYZ	xyz(11.0181, 8.5621, 35.2474)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4AA2 #A2973F

analogous

#3F7CA2 #3F4AA2 #663FA2

triadic

#3F4AA2 #A23F4A #4AA23F

tetradic

#3F4AA2 #A23F7C #A2973F #3FA266

square

#3F4AA2 #A23F7C #A2973F #3FA266

split-complementary

#3F4AA2 #A2663F #7CA23F

monochromatic

#1D224A #2E3676 #3F4AA2 #5E69C0 #8A92D1

Accessibility & contrast

On white

7.74

#3F4AA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3F4AA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4AA2

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4AA2	#FFFFFF	#000000	##FFFFFF
##3F4AA2	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1157A5

Deuteranopia (green-blind)

#004EA0

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f4aa2;
/* rgb */ color: rgb(63, 74, 162);
/* oklch */ color: oklch(45.0% 0.141 273.9);

Tailwind

colors: {
  custom: {
    50: '#7e7cbe',
    500: '#3f4aa2',
    950: '#000000',
  },
}

SCSS

$custom: #3f4aa2;
$custom-light: #7e7cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4aa2",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 162
  },
  "hsl": {
    "h": 233.333,
    "s": 44,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44982,
    "c": 0.14132,
    "h": 273.9
  },
  "luminance": 0.08563
}

Semantic roles & 50–950 ramp

primary

#3F4AA2

secondary

#BCB681

accent

#C654D4

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #3F4AA2

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

Preview Lab → · Contrast checker → · Palette generator →