#3F4DA2#3F4DA2

#3F4DA2 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.137 H 272.7°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#3F4DA2
RGB	rgb(63, 77, 162)
HSL	hsl(232, 44%, 44%)
HSV	hsv(232, 61%, 64%)
CMYK	cmyk(61.1%, 52.5%, 0%, 36.5%)
CIE-LAB	lab(35.93, 21.46, -47.88)
CIE-LCH	lch(35.93, 52.47, 294.14°)
OKLab	oklab(45.59% 0.0066 -0.1371)
OKLCH	oklch(45.59% 0.137 272.7)
XYZ	xyz(11.2232, 8.9723, 35.3158)
Luminance	0.0897 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4DA2 #A2943F

analogous

#3F7FA2 #3F4DA2 #633FA2

triadic

#3F4DA2 #A23F4D #4DA23F

tetradic

#3F4DA2 #A23F7F #A2943F #3FA263

square

#3F4DA2 #A23F7F #A2943F #3FA263

split-complementary

#3F4DA2 #A2633F #7FA23F

monochromatic

#1D234A #2E3876 #3F4DA2 #5E6CC0 #8A94D1

Accessibility & contrast

On white

7.51

#3F4DA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3F4DA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4DA2

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4DA2	#FFFFFF	#000000	##FFFFFF
##3F4DA2	1.00	7.51	2.79	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C59A5

Deuteranopia (green-blind)

#0050A0

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3f4da2;
/* rgb */ color: rgb(63, 77, 162);
/* oklch */ color: oklch(45.6% 0.137 272.7);

Tailwind

colors: {
  custom: {
    50: '#7e7ebe',
    500: '#3f4da2',
    950: '#000000',
  },
}

SCSS

$custom: #3f4da2;
$custom-light: #7e7ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4da2",
  "rgb": {
    "r": 63,
    "g": 77,
    "b": 162
  },
  "hsl": {
    "h": 231.515,
    "s": 44,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45587,
    "c": 0.1373,
    "h": 272.7
  },
  "luminance": 0.08973
}

Semantic roles & 50–950 ramp

primary

#3F4DA2

secondary

#BCB481

accent

#C254D4

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #3F4DA2

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

Preview Lab → · Contrast checker → · Palette generator →