#3B27BB#3B27BB

#3B27BB is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.4% C 0.214 H 277.5°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#3B27BB
RGB	rgb(59, 39, 187)
HSL	hsl(248, 65%, 44%)
HSV	hsv(248, 79%, 73%)
CMYK	cmyk(68.4%, 79.1%, 0%, 26.7%)
CIE-LAB	lab(29.33, 51.88, -73.58)
CIE-LCH	lch(29.33, 90.03, 305.19°)
OKLab	oklab(41.38% 0.0282 -0.2126)
OKLCH	oklch(41.38% 0.214 277.5)
XYZ	xyz(11.4959, 5.9677, 47.5501)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B27BB #A7BB27

analogous

#275DBB #3B27BB #8527BB

triadic

#3B27BB #BB3B27 #27BB3B

tetradic

#3B27BB #BB275D #A7BB27 #27BB85

square

#3B27BB #BB275D #A7BB27 #27BB85

split-complementary

#3B27BB #BB8527 #5DBB27

monochromatic

#1B1256 #2B1C88 #3B27BB #5A47D9 #8879E3

Accessibility & contrast

On white

9.57

#3B27BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3B27BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B27BB

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B27BB	#FFFFFF	#000000	##FFFFFF
##3B27BB	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBF

Deuteranopia (green-blind)

#003FB8

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3b27bb;
/* rgb */ color: rgb(59, 39, 187);
/* oklch */ color: oklch(41.4% 0.214 277.5);

Tailwind

colors: {
  custom: {
    50: '#8465d1',
    500: '#3b27bb',
    950: '#000000',
  },
}

SCSS

$custom: #3b27bb;
$custom-light: #8465d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b27bb",
  "rgb": {
    "r": 59,
    "g": 39,
    "b": 187
  },
  "hsl": {
    "h": 248.108,
    "s": 65.487,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41381,
    "c": 0.21446,
    "h": 277.5
  },
  "luminance": 0.05969
}

Semantic roles & 50–950 ramp

primary

#3B27BB

secondary

#BFCB73

accent

#E83FD2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3B27BB

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

Preview Lab → · Contrast checker → · Palette generator →