#3B58CD#3B58CD

#3B58CD is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.9% C 0.184 H 268.5°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#3B58CD
RGB	rgb(59, 88, 205)
HSL	hsl(228, 59%, 52%)
HSV	hsv(228, 71%, 80%)
CMYK	cmyk(71.2%, 57.1%, 0%, 19.6%)
CIE-LAB	lab(41.71, 29.08, -63.79)
CIE-LCH	lch(41.71, 70.11, 294.51°)
OKLab	oklab(50.85% -0.005 -0.1839)
OKLCH	oklch(50.85% 0.184 268.5)
XYZ	xyz(16.3090, 12.3154, 59.2634)
Luminance	0.1232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B58CD #CDB03B

analogous

#3BA1CD #3B58CD #673BCD

triadic

#3B58CD #CD3B58 #58CD3B

tetradic

#3B58CD #CD3BA1 #CDB03B #3BCD67

square

#3B58CD #CD3BA1 #CDB03B #3BCD67

split-complementary

#3B58CD #CD673B #A1CD3B

monochromatic

#1D2D71 #2941A2 #3B58CD #6C82D9 #9DABE6

Accessibility & contrast

On white

6.06

#3B58CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#3B58CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B58CD

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B58CD	#FFFFFF	#000000	##FFFFFF
##3B58CD	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D1

Deuteranopia (green-blind)

#005CCB

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3b58cd;
/* rgb */ color: rgb(59, 88, 205);
/* oklch */ color: oklch(50.9% 0.184 268.5);

Tailwind

colors: {
  custom: {
    50: '#8486dd',
    500: '#3b58cd',
    950: '#000000',
  },
}

SCSS

$custom: #3b58cd;
$custom-light: #8486dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b58cd",
  "rgb": {
    "r": 59,
    "g": 88,
    "b": 205
  },
  "hsl": {
    "h": 228.082,
    "s": 59.35,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50854,
    "c": 0.18396,
    "h": 268.5
  },
  "luminance": 0.12317
}

Semantic roles & 50–950 ramp

primary

#3B58CD

secondary

#D2C592

accent

#C345E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B58CD

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

Preview Lab → · Contrast checker → · Palette generator →