#3F5DAD#3F5DAD

#3F5DAD is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.7% C 0.132 H 266.2°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#3F5DAD
RGB	rgb(63, 93, 173)
HSL	hsl(224, 47%, 46%)
HSV	hsv(224, 64%, 68%)
CMYK	cmyk(63.6%, 46.2%, 0%, 32.2%)
CIE-LAB	lab(41.06, 14.96, -46.18)
CIE-LCH	lch(41.06, 48.54, 287.95°)
OKLab	oklab(49.71% -0.0087 -0.1319)
OKLCH	oklch(49.71% 0.132 266.2)
XYZ	xyz(13.5045, 11.9014, 41.1126)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5DAD #AD8F3F

analogous

#3F94AD #3F5DAD #583FAD

triadic

#3F5DAD #AD3F5D #5DAD3F

tetradic

#3F5DAD #AD3F94 #AD8F3F #3FAD58

square

#3F5DAD #AD3F94 #AD8F3F #3FAD58

split-complementary

#3F5DAD #AD583F #94AD3F

monochromatic

#1E2D53 #2F4580 #3F5DAD #637EC6 #90A3D7

Accessibility & contrast

On white

6.21

#3F5DAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#3F5DAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5DAD

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5DAD	#FFFFFF	#000000	##FFFFFF
##3F5DAD	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3666B0

Deuteranopia (green-blind)

#235CAB

Tritanopia (blue-blind)

#006F7C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3f5dad;
/* rgb */ color: rgb(63, 93, 173);
/* oklch */ color: oklch(49.7% 0.132 266.2);

Tailwind

colors: {
  custom: {
    50: '#7f8ac6',
    500: '#3f5dad',
    950: '#000000',
  },
}

SCSS

$custom: #3f5dad;
$custom-light: #7f8ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5dad",
  "rgb": {
    "r": 63,
    "g": 93,
    "b": 173
  },
  "hsl": {
    "h": 223.636,
    "s": 46.61,
    "l": 46.275
  },
  "oklch": {
    "l": 0.49714,
    "c": 0.13221,
    "h": 266.2
  },
  "luminance": 0.11903
}

Semantic roles & 50–950 ramp

primary

#3F5DAD

secondary

#C2B186

accent

#B252D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3F5DAD

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

Preview Lab → · Contrast checker → · Palette generator →