#3B59BC#3B59BC

#3B59BC is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.7% C 0.160 H 267.6°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#3B59BC
RGB	rgb(59, 89, 188)
HSL	hsl(226, 52%, 48%)
HSV	hsv(226, 69%, 74%)
CMYK	cmyk(68.6%, 52.7%, 0%, 26.3%)
CIE-LAB	lab(40.74, 22.28, -55.50)
CIE-LCH	lch(40.74, 59.81, 291.87°)
OKLab	oklab(49.73% -0.0068 -0.1595)
OKLCH	oklch(49.73% 0.16 267.6)
XYZ	xyz(14.4500, 11.7040, 49.0648)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B59BC #BC9E3B

analogous

#3B99BC #3B59BC #5E3BBC

triadic

#3B59BC #BC3B59 #59BC3B

tetradic

#3B59BC #BC3B99 #BC9E3B #3BBC5E

square

#3B59BC #BC3B99 #BC9E3B #3BBC5E

split-complementary

#3B59BC #BC5E3B #99BC3B

monochromatic

#1E2D5F #2C438D #3B59BC #657ECF #94A5DD

Accessibility & contrast

On white

6.29

#3B59BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3B59BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B59BC

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B59BC	#FFFFFF	#000000	##FFFFFF
##3B59BC	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1766C0

Deuteranopia (green-blind)

#005ABA

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3b59bc;
/* rgb */ color: rgb(59, 89, 188);
/* oklch */ color: oklch(49.7% 0.160 267.6);

Tailwind

colors: {
  custom: {
    50: '#8087d1',
    500: '#3b59bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b59bc;
$custom-light: #8087d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b59bc",
  "rgb": {
    "r": 59,
    "g": 89,
    "b": 188
  },
  "hsl": {
    "h": 226.047,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49733,
    "c": 0.15964,
    "h": 267.6
  },
  "luminance": 0.11705
}

Semantic roles & 50–950 ramp

primary

#3B59BC

secondary

#C9BA8A

accent

#BA4CDC

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3B59BC

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

Preview Lab → · Contrast checker → · Palette generator →