#3B58D5#3B58D5

#3B58D5 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.5% C 0.195 H 268.6°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#3B58D5
RGB	rgb(59, 88, 213)
HSL	hsl(229, 65%, 53%)
HSV	hsv(229, 72%, 84%)
CMYK	cmyk(72.3%, 58.7%, 0%, 16.5%)
CIE-LAB	lab(42.33, 31.96, -67.39)
CIE-LCH	lch(42.33, 74.58, 295.37°)
OKLab	oklab(51.5% -0.0048 -0.1945)
OKLCH	oklch(51.5% 0.195 268.6)
XYZ	xyz(17.2995, 12.7115, 64.4797)
Luminance	0.1271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B58D5 #D5B83B

analogous

#3BA5D5 #3B58D5 #6B3BD5

triadic

#3B58D5 #D53B58 #58D53B

tetradic

#3B58D5 #D53BA5 #D5B83B #3BD56B

square

#3B58D5 #D53BA5 #D5B83B #3BD56B

split-complementary

#3B58D5 #D56B3B #A5D53B

monochromatic

#1A2D7B #253FAE #3B58D5 #6D83E0 #A0AEEB

Accessibility & contrast

On white

5.93

#3B58D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#3B58D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B58D5

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B58D5	#FFFFFF	#000000	##FFFFFF
##3B58D5	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD9

Deuteranopia (green-blind)

#005DD3

Tritanopia (blue-blind)

#00778E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3b58d5;
/* rgb */ color: rgb(59, 88, 213);
/* oklch */ color: oklch(51.5% 0.195 268.6);

Tailwind

colors: {
  custom: {
    50: '#8586e3',
    500: '#3b58d5',
    950: '#000000',
  },
}

SCSS

$custom: #3b58d5;
$custom-light: #8586e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b58d5",
  "rgb": {
    "r": 59,
    "g": 88,
    "b": 213
  },
  "hsl": {
    "h": 228.701,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51503,
    "c": 0.19453,
    "h": 268.6
  },
  "luminance": 0.12713
}

Semantic roles & 50–950 ramp

primary

#3B58D5

secondary

#D7CB95

accent

#C840E8

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #3B58D5

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

Preview Lab → · Contrast checker → · Palette generator →