#3B58D3#3B58D3

#3B58D3 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.3% C 0.192 H 268.6°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#3B58D3
RGB	rgb(59, 88, 211)
HSL	hsl(229, 63%, 53%)
HSV	hsv(229, 72%, 83%)
CMYK	cmyk(72%, 58.3%, 0%, 17.3%)
CIE-LAB	lab(42.17, 31.24, -66.50)
CIE-LCH	lch(42.17, 73.47, 295.16°)
OKLab	oklab(51.34% -0.0048 -0.1918)
OKLCH	oklch(51.34% 0.192 268.6)
XYZ	xyz(17.0472, 12.6106, 63.1511)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B58D3 #D3B63B

analogous

#3BA4D3 #3B58D3 #6A3BD3

triadic

#3B58D3 #D33B58 #58D33B

tetradic

#3B58D3 #D33BA4 #D3B63B #3BD36A

square

#3B58D3 #D33BA4 #D3B63B #3BD36A

split-complementary

#3B58D3 #D36A3B #A4D33B

monochromatic

#1B2D79 #2640AB #3B58D3 #6D83DE #9FADE9

Accessibility & contrast

On white

5.96

#3B58D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#3B58D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B58D3

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B58D3	#FFFFFF	#000000	##FFFFFF
##3B58D3	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD7

Deuteranopia (green-blind)

#005DD1

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3b58d3;
/* rgb */ color: rgb(59, 88, 211);
/* oklch */ color: oklch(51.3% 0.192 268.6);

Tailwind

colors: {
  custom: {
    50: '#8586e1',
    500: '#3b58d3',
    950: '#000000',
  },
}

SCSS

$custom: #3b58d3;
$custom-light: #8586e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b58d3",
  "rgb": {
    "r": 59,
    "g": 88,
    "b": 211
  },
  "hsl": {
    "h": 228.553,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51339,
    "c": 0.1919,
    "h": 268.6
  },
  "luminance": 0.12612
}

Semantic roles & 50–950 ramp

primary

#3B58D3

secondary

#D6C994

accent

#C741E6

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #3B58D3

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

Preview Lab → · Contrast checker → · Palette generator →