#3B58CA#3B58CA

#3B58CA is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.6% C 0.180 H 268.4°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#3B58CA
RGB	rgb(59, 88, 202)
HSL	hsl(228, 57%, 51%)
HSV	hsv(228, 71%, 79%)
CMYK	cmyk(70.8%, 56.4%, 0%, 20.8%)
CIE-LAB	lab(41.49, 28.00, -62.42)
CIE-LCH	lch(41.49, 68.42, 294.16°)
OKLab	oklab(50.62% -0.0051 -0.1799)
OKLCH	oklch(50.62% 0.18 268.4)
XYZ	xyz(15.9503, 12.1719, 57.3745)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B58CA #CAAD3B

analogous

#3B9FCA #3B58CA #653BCA

triadic

#3B58CA #CA3B58 #58CA3B

tetradic

#3B58CA #CA3B9F #CAAD3B #3BCA65

square

#3B58CA #CA3B9F #CAAD3B #3BCA65

split-complementary

#3B58CA #CA653B #9FCA3B

monochromatic

#1E2E6D #2B429D #3B58CA #6B81D7 #9BAAE4

Accessibility & contrast

On white

6.11

#3B58CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#3B58CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B58CA

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B58CA	#FFFFFF	#000000	##FFFFFF
##3B58CA	1.00	6.11	3.43	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CE

Deuteranopia (green-blind)

#005CC8

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3b58ca;
/* rgb */ color: rgb(59, 88, 202);
/* oklch */ color: oklch(50.6% 0.180 268.4);

Tailwind

colors: {
  custom: {
    50: '#8386db',
    500: '#3b58ca',
    950: '#000000',
  },
}

SCSS

$custom: #3b58ca;
$custom-light: #8386db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b58ca",
  "rgb": {
    "r": 59,
    "g": 88,
    "b": 202
  },
  "hsl": {
    "h": 227.832,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50615,
    "c": 0.17995,
    "h": 268.4
  },
  "luminance": 0.12174
}

Semantic roles & 50–950 ramp

primary

#3B58CA

secondary

#D0C391

accent

#C247E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B58CA

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

Preview Lab → · Contrast checker → · Palette generator →