#3B23BB#3B23BB

#3B23BB is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.9% C 0.218 H 277.9°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#3B23BB
RGB	rgb(59, 35, 187)
HSL	hsl(249, 68%, 44%)
HSV	hsv(249, 81%, 73%)
CMYK	cmyk(68.4%, 81.3%, 0%, 26.7%)
CIE-LAB	lab(28.69, 53.74, -74.64)
CIE-LCH	lch(28.69, 91.97, 305.75°)
OKLab	oklab(40.94% 0.0299 -0.2156)
OKLCH	oklch(40.94% 0.218 277.9)
XYZ	xyz(11.3714, 5.7187, 47.5086)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B23BB #A3BB23

analogous

#2357BB #3B23BB #8723BB

triadic

#3B23BB #BB3B23 #23BB3B

tetradic

#3B23BB #BB2357 #A3BB23 #23BB87

square

#3B23BB #BB2357 #A3BB23 #23BB87

split-complementary

#3B23BB #BB8723 #57BB23

monochromatic

#1A1054 #2B1987 #3B23BB #5840DB #8574E5

Accessibility & contrast

On white

9.79

#3B23BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3B23BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B23BB

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B23BB	#FFFFFF	#000000	##FFFFFF
##3B23BB	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BF

Deuteranopia (green-blind)

#003DB8

Tritanopia (blue-blind)

#005370

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3b23bb;
/* rgb */ color: rgb(59, 35, 187);
/* oklch */ color: oklch(40.9% 0.218 277.9);

Tailwind

colors: {
  custom: {
    50: '#8463d1',
    500: '#3b23bb',
    950: '#000000',
  },
}

SCSS

$custom: #3b23bb;
$custom-light: #8463d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b23bb",
  "rgb": {
    "r": 59,
    "g": 35,
    "b": 187
  },
  "hsl": {
    "h": 249.474,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40937,
    "c": 0.21769,
    "h": 277.9
  },
  "luminance": 0.0572
}

Semantic roles & 50–950 ramp

primary

#3B23BB

secondary

#BDCC6E

accent

#EB3CD0

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0614

muted

#7D7A83

Preview Lab

Preview with #3B23BB

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

Preview Lab → · Contrast checker → · Palette generator →