#3C58CB#3C58CB

#3C58CB is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.7% C 0.181 H 268.7°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#3C58CB
RGB	rgb(60, 88, 203)
HSL	hsl(228, 58%, 52%)
HSV	hsv(228, 70%, 80%)
CMYK	cmyk(70.4%, 56.7%, 0%, 20.4%)
CIE-LAB	lab(41.61, 28.49, -62.80)
CIE-LCH	lch(41.61, 68.96, 294.40°)
OKLab	oklab(50.74% -0.0041 -0.181)
OKLCH	oklch(50.74% 0.181 268.7)
XYZ	xyz(16.1290, 12.2503, 58.0029)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C58CB #CBAF3C

analogous

#3CA0CB #3C58CB #683CCB

triadic

#3C58CB #CB3C58 #58CB3C

tetradic

#3C58CB #CB3CA0 #CBAF3C #3CCB68

square

#3C58CB #CB3CA0 #CBAF3C #3CCB68

split-complementary

#3C58CB #CB683C #A0CB3C

monochromatic

#1E2E6F #2A419F #3C58CB #6C81D8 #9DABE5

Accessibility & contrast

On white

6.09

#3C58CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#3C58CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C58CB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C58CB	#FFFFFF	#000000	##FFFFFF
##3C58CB	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#005CC9

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3c58cb;
/* rgb */ color: rgb(60, 88, 203);
/* oklch */ color: oklch(50.7% 0.181 268.7);

Tailwind

colors: {
  custom: {
    50: '#8486dc',
    500: '#3c58cb',
    950: '#000000',
  },
}

SCSS

$custom: #3c58cb;
$custom-light: #8486dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3c58cb",
  "rgb": {
    "r": 60,
    "g": 88,
    "b": 203
  },
  "hsl": {
    "h": 228.252,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50744,
    "c": 0.18101,
    "h": 268.7
  },
  "luminance": 0.12252
}

Semantic roles & 50–950 ramp

primary

#3C58CB

secondary

#D1C592

accent

#C347E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3C58CB

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

Preview Lab → · Contrast checker → · Palette generator →