#3B59AB#3B59AB

#3B59AB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.5% C 0.136 H 266.3°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3B59AB
RGB	rgb(59, 89, 171)
HSL	hsl(224, 49%, 45%)
HSV	hsv(224, 65%, 67%)
CMYK	cmyk(65.5%, 48%, 0%, 32.9%)
CIE-LAB	lab(39.60, 16.11, -47.34)
CIE-LCH	lch(39.60, 50.01, 288.79°)
OKLab	oklab(48.5% -0.0087 -0.1355)
OKLCH	oklch(48.5% 0.136 266.3)
XYZ	xyz(12.7242, 11.0137, 39.9755)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B59AB #AB8D3B

analogous

#3B91AB #3B59AB #553BAB

triadic

#3B59AB #AB3B59 #59AB3B

tetradic

#3B59AB #AB3B91 #AB8D3B #3BAB55

square

#3B59AB #AB3B91 #AB8D3B #3BAB55

split-complementary

#3B59AB #AB553B #91AB3B

monochromatic

#1C2A50 #2B417D #3B59AB #5C79C7 #8A9ED7

Accessibility & contrast

On white

6.56

#3B59AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3B59AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B59AB

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B59AB	#FFFFFF	#000000	##FFFFFF
##3B59AB	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F63AE

Deuteranopia (green-blind)

#1859A9

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3b59ab;
/* rgb */ color: rgb(59, 89, 171);
/* oklch */ color: oklch(48.5% 0.136 266.3);

Tailwind

colors: {
  custom: {
    50: '#7d87c4',
    500: '#3b59ab',
    950: '#000000',
  },
}

SCSS

$custom: #3b59ab;
$custom-light: #7d87c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3b59ab",
  "rgb": {
    "r": 59,
    "g": 89,
    "b": 171
  },
  "hsl": {
    "h": 223.929,
    "s": 48.696,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48504,
    "c": 0.13577,
    "h": 266.3
  },
  "luminance": 0.11015
}

Semantic roles & 50–950 ramp

primary

#3B59AB

secondary

#C1B081

accent

#B450D8

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3B59AB

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

Preview Lab → · Contrast checker → · Palette generator →