#3F49CD#3F49CD

#3F49CD is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.3% C 0.201 H 272.9°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F49CD
RGB	rgb(63, 73, 205)
HSL	hsl(236, 59%, 53%)
HSV	hsv(236, 69%, 80%)
CMYK	cmyk(69.3%, 64.4%, 0%, 19.6%)
CIE-LAB	lab(38.25, 39.04, -69.43)
CIE-LCH	lch(38.25, 79.65, 299.34°)
OKLab	oklab(48.35% 0.01 -0.2005)
OKLCH	oklch(48.35% 0.201 272.9)
XYZ	xyz(15.4482, 10.2281, 58.9059)
Luminance	0.1023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F49CD #CDC33F

analogous

#3F90CD #3F49CD #7C3FCD

triadic

#3F49CD #CD3F49 #49CD3F

tetradic

#3F49CD #CD3F90 #CDC33F #3FCD7C

square

#3F49CD #CD3F90 #CDC33F #3FCD7C

split-complementary

#3F49CD #CD7C3F #90CD3F

monochromatic

#1E2474 #2B33A4 #3F49CD #7077DA #A0A5E6

Accessibility & contrast

On white

6.89

#3F49CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3F49CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F49CD

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F49CD	#FFFFFF	#000000	##FFFFFF
##3F49CD	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061D1

Deuteranopia (green-blind)

#0054CA

Tritanopia (blue-blind)

#006B84

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3f49cd;
/* rgb */ color: rgb(63, 73, 205);
/* oklch */ color: oklch(48.3% 0.201 272.9);

Tailwind

colors: {
  custom: {
    50: '#867cdd',
    500: '#3f49cd',
    950: '#000000',
  },
}

SCSS

$custom: #3f49cd;
$custom-light: #867cdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f49cd",
  "rgb": {
    "r": 63,
    "g": 73,
    "b": 205
  },
  "hsl": {
    "h": 235.775,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.48348,
    "c": 0.20076,
    "h": 272.9
  },
  "luminance": 0.1023
}

Semantic roles & 50–950 ramp

primary

#3F49CD

secondary

#D3CE95

accent

#D746E2

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3F49CD

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

Preview Lab → · Contrast checker → · Palette generator →