#3F49AE#3F49AE

#3F49AE is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.7% C 0.160 H 274.0°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#3F49AE
RGB	rgb(63, 73, 174)
HSL	hsl(235, 47%, 46%)
HSV	hsv(235, 64%, 68%)
CMYK	cmyk(63.8%, 58%, 0%, 31.8%)
CIE-LAB	lab(35.75, 28.28, -55.34)
CIE-LCH	lch(35.75, 62.14, 297.06°)
OKLab	oklab(45.72% 0.011 -0.1591)
OKLCH	oklch(45.72% 0.16 274)
XYZ	xyz(12.0699, 8.8768, 41.1135)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F49AE #AEA43F

analogous

#3F81AE #3F49AE #6D3FAE

triadic

#3F49AE #AE3F49 #49AE3F

tetradic

#3F49AE #AE3F81 #AEA43F #3FAE6D

square

#3F49AE #AE3F81 #AEA43F #3FAE6D

split-complementary

#3F49AE #AE6D3F #81AE3F

monochromatic

#1E2354 #2F3681 #3F49AE #646CC7 #9097D7

Accessibility & contrast

On white

7.57

#3F49AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3F49AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F49AE

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F49AE	#FFFFFF	#000000	##FFFFFF
##3F49AE	1.00	7.57	2.78	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B1

Deuteranopia (green-blind)

#004FAC

Tritanopia (blue-blind)

#006174

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3f49ae;
/* rgb */ color: rgb(63, 73, 174);
/* oklch */ color: oklch(45.7% 0.160 274.0);

Tailwind

colors: {
  custom: {
    50: '#807bc7',
    500: '#3f49ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f49ae;
$custom-light: #807bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f49ae",
  "rgb": {
    "r": 63,
    "g": 73,
    "b": 174
  },
  "hsl": {
    "h": 234.595,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45723,
    "c": 0.15952,
    "h": 274
  },
  "luminance": 0.08878
}

Semantic roles & 50–950 ramp

primary

#3F49AE

secondary

#C2BD87

accent

#CA51D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3F49AE

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

Preview Lab → · Contrast checker → · Palette generator →