#3F27C6#3F27C6

#3F27C6 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.9% C 0.226 H 277.8°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#3F27C6
RGB	rgb(63, 39, 198)
HSL	hsl(249, 67%, 46%)
HSV	hsv(249, 80%, 78%)
CMYK	cmyk(68.2%, 80.3%, 0%, 22.4%)
CIE-LAB	lab(30.84, 55.49, -77.55)
CIE-LCH	lch(30.84, 95.36, 305.58°)
OKLab	oklab(42.86% 0.0307 -0.224)
OKLCH	oklch(42.86% 0.226 277.8)
XYZ	xyz(12.9652, 6.5839, 54.0027)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F27C6 #AEC627

analogous

#275EC6 #3F27C6 #8F27C6

triadic

#3F27C6 #C63F27 #27C63F

tetradic

#3F27C6 #C6275E #AEC627 #27C68F

square

#3F27C6 #C6275E #AEC627 #27C68F

split-complementary

#3F27C6 #C68F27 #5EC627

monochromatic

#1E1360 #2F1D93 #3F27C6 #644EDC #9081E6

Accessibility & contrast

On white

9.06

#3F27C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3F27C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F27C6

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F27C6	#FFFFFF	#000000	##FFFFFF
##3F27C6	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FCA

Deuteranopia (green-blind)

#0042C3

Tritanopia (blue-blind)

#005877

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3f27c6;
/* rgb */ color: rgb(63, 39, 198);
/* oklch */ color: oklch(42.9% 0.226 277.8);

Tailwind

colors: {
  custom: {
    50: '#8866d9',
    500: '#3f27c6',
    950: '#000000',
  },
}

SCSS

$custom: #3f27c6;
$custom-light: #8866d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f27c6",
  "rgb": {
    "r": 63,
    "g": 39,
    "b": 198
  },
  "hsl": {
    "h": 249.057,
    "s": 67.089,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4286,
    "c": 0.22614,
    "h": 277.8
  },
  "luminance": 0.06585
}

Semantic roles & 50–950 ramp

primary

#3F27C6

secondary

#C2CF7A

accent

#EA3ED0

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #3F27C6

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

Preview Lab → · Contrast checker → · Palette generator →