#3C50BB#3C50BB

#3C50BB is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.9% C 0.169 H 270.6°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#3C50BB
RGB	rgb(60, 80, 187)
HSL	hsl(231, 51%, 48%)
HSV	hsv(231, 68%, 73%)
CMYK	cmyk(67.9%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(38.35, 27.89, -58.79)
CIE-LCH	lch(38.35, 65.07, 295.38°)
OKLab	oklab(47.93% 0.0019 -0.1693)
OKLCH	oklch(47.93% 0.169 270.6)
XYZ	xyz(13.6987, 10.2845, 48.2673)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C50BB #BBA73C

analogous

#3C8FBB #3C50BB #673CBB

triadic

#3C50BB #BB3C50 #50BB3C

tetradic

#3C50BB #BB3C8F #BBA73C #3CBB67

square

#3C50BB #BB3C8F #BBA73C #3CBB67

split-complementary

#3C50BB #BB673C #8FBB3C

monochromatic

#1E285E #2D3C8D #3C50BB #6677CE #95A0DD

Accessibility & contrast

On white

6.87

#3C50BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3C50BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C50BB

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C50BB	#FFFFFF	#000000	##FFFFFF
##3C50BB	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BF

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3c50bb;
/* rgb */ color: rgb(60, 80, 187);
/* oklch */ color: oklch(47.9% 0.169 270.6);

Tailwind

colors: {
  custom: {
    50: '#8180d0',
    500: '#3c50bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c50bb;
$custom-light: #8180d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c50bb",
  "rgb": {
    "r": 60,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 230.551,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.47925,
    "c": 0.16929,
    "h": 270.6
  },
  "luminance": 0.10286
}

Semantic roles & 50–950 ramp

primary

#3C50BB

secondary

#C8BF8B

accent

#C54DDB

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3C50BB

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

Preview Lab → · Contrast checker → · Palette generator →