#3F44CA#3F44CA

#3F44CA is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.2% C 0.203 H 273.9°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#3F44CA
RGB	rgb(63, 68, 202)
HSL	hsl(238, 57%, 52%)
HSV	hsv(238, 69%, 79%)
CMYK	cmyk(68.8%, 66.3%, 0%, 20.8%)
CIE-LAB	lab(36.84, 41.06, -70.00)
CIE-LCH	lch(36.84, 81.15, 300.40°)
OKLab	oklab(47.24% 0.0137 -0.2022)
OKLCH	oklch(47.24% 0.203 273.9)
XYZ	xyz(14.7741, 9.4539, 56.9118)
Luminance	0.0945 (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

#3F44CA #CAC53F

analogous

#3F89CA #3F44CA #803FCA

triadic

#3F44CA #CA3F44 #44CA3F

tetradic

#3F44CA #CA3F89 #CAC53F #3FCA80

square

#3F44CA #CA3F89 #CAC53F #3FCA80

split-complementary

#3F44CA #CA803F #89CA3F

monochromatic

#1F2270 #2C30A0 #3F44CA #6F73D7 #9FA1E4

Accessibility & contrast

On white

7.26

#3F44CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#3F44CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F44CA

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F44CA	#FFFFFF	#000000	##FFFFFF
##3F44CA	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCE

Deuteranopia (green-blind)

#0050C7

Tritanopia (blue-blind)

#006881

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3f44ca;
/* rgb */ color: rgb(63, 68, 202);
/* oklch */ color: oklch(47.2% 0.203 273.9);

Tailwind

colors: {
  custom: {
    50: '#8678db',
    500: '#3f44ca',
    950: '#000000',
  },
}

SCSS

$custom: #3f44ca;
$custom-light: #8678db;
$custom-dark: #000000;

JSON

{
  "hex": "#3f44ca",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 202
  },
  "hsl": {
    "h": 237.842,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.47244,
    "c": 0.20264,
    "h": 273.9
  },
  "luminance": 0.09455
}

Semantic roles & 50–950 ramp

primary

#3F44CA

secondary

#D1CF94

accent

#DB48E0

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3F44CA

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

Preview Lab → · Contrast checker → · Palette generator →