#3F5FA2#3F5FA2

#3F5FA2 is a mid, moderate blue. Relative luminance 0.118; OKLCH L 49.4% C 0.114 H 263.5°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#3F5FA2
RGB	rgb(63, 95, 162)
HSL	hsl(221, 44%, 44%)
HSV	hsv(221, 61%, 64%)
CMYK	cmyk(61.1%, 41.4%, 0%, 36.5%)
CIE-LAB	lab(40.97, 9.78, -39.80)
CIE-LCH	lch(40.97, 40.99, 283.80°)
OKLab	oklab(49.44% -0.0128 -0.1132)
OKLCH	oklch(49.44% 0.114 263.5)
XYZ	xyz(12.6614, 11.8487, 35.7952)
Luminance	0.1185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5FA2 #A2823F

analogous

#3F91A2 #3F5FA2 #513FA2

triadic

#3F5FA2 #A23F5F #5FA23F

tetradic

#3F5FA2 #A23F91 #A2823F #3FA251

square

#3F5FA2 #A23F91 #A2823F #3FA251

split-complementary

#3F5FA2 #A2513F #91A23F

monochromatic

#1D2B4A #2E4576 #3F5FA2 #5E7EC0 #8AA1D1

Accessibility & contrast

On white

6.23

#3F5FA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#3F5FA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5FA2

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5FA2	#FFFFFF	#000000	##FFFFFF
##3F5FA2	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4266A5

Deuteranopia (green-blind)

#345CA1

Tritanopia (blue-blind)

#006E78

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3f5fa2;
/* rgb */ color: rgb(63, 95, 162);
/* oklch */ color: oklch(49.4% 0.114 263.5);

Tailwind

colors: {
  custom: {
    50: '#7d8cbe',
    500: '#3f5fa2',
    950: '#000000',
  },
}

SCSS

$custom: #3f5fa2;
$custom-light: #7d8cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5fa2",
  "rgb": {
    "r": 63,
    "g": 95,
    "b": 162
  },
  "hsl": {
    "h": 220.606,
    "s": 44,
    "l": 44.118
  },
  "oklch": {
    "l": 0.49438,
    "c": 0.11392,
    "h": 263.5
  },
  "luminance": 0.1185
}

Semantic roles & 50–950 ramp

primary

#3F5FA2

secondary

#BCA981

accent

#AA54D4

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3F5FA2

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

Preview Lab → · Contrast checker → · Palette generator →