#3F44CC#3F44CC

#3F44CC is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 47.4% C 0.205 H 273.8°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F44CC
RGB	rgb(63, 68, 204)
HSL	hsl(238, 58%, 52%)
HSV	hsv(238, 69%, 80%)
CMYK	cmyk(69.1%, 66.7%, 0%, 20%)
CIE-LAB	lab(37.02, 41.74, -70.87)
CIE-LCH	lch(37.02, 82.24, 300.50°)
OKLab	oklab(47.43% 0.0135 -0.2047)
OKLCH	oklch(47.43% 0.205 273.8)
XYZ	xyz(15.0125, 9.5492, 58.1671)
Luminance	0.0955 (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

#3F44CC #CCC73F

analogous

#3F8BCC #3F44CC #803FCC

triadic

#3F44CC #CC3F44 #44CC3F

tetradic

#3F44CC #CC3F8B #CCC73F #3FCC80

square

#3F44CC #CC3F8B #CCC73F #3FCC80

split-complementary

#3F44CC #CC803F #8BCC3F

monochromatic

#1E2172 #2B2FA3 #3F44CC #6F73D9 #A0A2E6

Accessibility & contrast

On white

7.22

#3F44CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#3F44CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F44CC

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F44CC	#FFFFFF	#000000	##FFFFFF
##3F44CC	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED0

Deuteranopia (green-blind)

#0051C9

Tritanopia (blue-blind)

#006882

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3f44cc;
/* rgb */ color: rgb(63, 68, 204);
/* oklch */ color: oklch(47.4% 0.205 273.8);

Tailwind

colors: {
  custom: {
    50: '#8678dd',
    500: '#3f44cc',
    950: '#000000',
  },
}

SCSS

$custom: #3f44cc;
$custom-light: #8678dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f44cc",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 204
  },
  "hsl": {
    "h": 237.872,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.47427,
    "c": 0.20517,
    "h": 273.8
  },
  "luminance": 0.09551
}

Semantic roles & 50–950 ramp

primary

#3F44CC

secondary

#D2D095

accent

#DC47E1

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3F44CC

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

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