#3F27BA#3F27BA

#3F27BA is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 41.6% C 0.212 H 279.2°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#3F27BA
RGB	rgb(63, 39, 186)
HSL	hsl(250, 65%, 44%)
HSV	hsv(250, 79%, 73%)
CMYK	cmyk(66.1%, 79%, 0%, 27.1%)
CIE-LAB	lab(29.54, 51.96, -72.63)
CIE-LCH	lch(29.54, 89.30, 305.58°)
OKLab	oklab(41.58% 0.0341 -0.2097)
OKLCH	oklch(41.58% 0.212 279.2)
XYZ	xyz(11.6355, 6.0520, 46.9998)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F27BA #A2BA27

analogous

#2759BA #3F27BA #8927BA

triadic

#3F27BA #BA3F27 #27BA3F

tetradic

#3F27BA #BA2759 #A2BA27 #27BA89

square

#3F27BA #BA2759 #A2BA27 #27BA89

split-complementary

#3F27BA #BA8927 #59BA27

monochromatic

#1D1255 #2E1C87 #3F27BA #5E46D8 #8A79E3

Accessibility & contrast

On white

9.50

#3F27BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3F27BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F27BA

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F27BA	#FFFFFF	#000000	##FFFFFF
##3F27BA	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBE

Deuteranopia (green-blind)

#0040B7

Tritanopia (blue-blind)

#005370

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3f27ba;
/* rgb */ color: rgb(63, 39, 186);
/* oklch */ color: oklch(41.6% 0.212 279.2);

Tailwind

colors: {
  custom: {
    50: '#8566d0',
    500: '#3f27ba',
    950: '#000000',
  },
}

SCSS

$custom: #3f27ba;
$custom-light: #8566d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f27ba",
  "rgb": {
    "r": 63,
    "g": 39,
    "b": 186
  },
  "hsl": {
    "h": 249.796,
    "s": 65.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41578,
    "c": 0.21248,
    "h": 279.2
  },
  "luminance": 0.06053
}

Semantic roles & 50–950 ramp

primary

#3F27BA

secondary

#BCCB72

accent

#E840CD

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0614

muted

#7D7A83

Preview Lab

Preview with #3F27BA

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

Preview Lab → · Contrast checker → · Palette generator →