#3F36A2#3F36A2

#3F36A2 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.3% C 0.167 H 279.9°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#3F36A2
RGB	rgb(63, 54, 162)
HSL	hsl(245, 50%, 42%)
HSV	hsv(245, 67%, 64%)
CMYK	cmyk(61.1%, 66.7%, 0%, 36.5%)
CIE-LAB	lab(30.16, 36.18, -57.24)
CIE-LCH	lch(30.16, 67.72, 302.29°)
OKLab	oklab(41.32% 0.0287 -0.1648)
OKLCH	oklch(41.32% 0.167 279.9)
XYZ	xyz(9.8886, 6.3030, 34.8709)
Luminance	0.0630 (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

#3F36A2 #99A236

analogous

#3663A2 #3F36A2 #7536A2

triadic

#3F36A2 #A23F36 #36A23F

tetradic

#3F36A2 #A23663 #99A236 #36A275

square

#3F36A2 #A23663 #99A236 #36A275

split-complementary

#3F36A2 #A27536 #63A236

monochromatic

#1B1746 #2D2774 #3F36A2 #5A50C5 #857ED4

Accessibility & contrast

On white

9.29

#3F36A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3F36A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F36A2

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F36A2	#FFFFFF	#000000	##FFFFFF
##3F36A2	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA5

Deuteranopia (green-blind)

#0043A0

Tritanopia (blue-blind)

#005267

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f36a2;
/* rgb */ color: rgb(63, 54, 162);
/* oklch */ color: oklch(41.3% 0.167 279.9);

Tailwind

colors: {
  custom: {
    50: '#7f6ebe',
    500: '#3f36a2',
    950: '#000000',
  },
}

SCSS

$custom: #3f36a2;
$custom-light: #7f6ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#3f36a2",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 162
  },
  "hsl": {
    "h": 245,
    "s": 50,
    "l": 42.353
  },
  "oklch": {
    "l": 0.41318,
    "c": 0.16733,
    "h": 279.9
  },
  "luminance": 0.06304
}

Semantic roles & 50–950 ramp

primary

#3F36A2

secondary

#B7BD77

accent

#DA4ECE

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3F36A2

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

Preview Lab → · Contrast checker → · Palette generator →