#3C40BD#3C40BD

#3C40BD is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.2% C 0.191 H 274.3°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#3C40BD
RGB	rgb(60, 64, 189)
HSL	hsl(238, 52%, 49%)
HSV	hsv(238, 68%, 74%)
CMYK	cmyk(68.3%, 66.1%, 0%, 25.9%)
CIE-LAB	lab(34.60, 38.71, -66.08)
CIE-LCH	lch(34.60, 76.58, 300.36°)
OKLab	oklab(45.21% 0.0143 -0.1908)
OKLCH	oklch(45.21% 0.191 274.3)
XYZ	xyz(12.8791, 8.3004, 49.0577)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C40BD #BDB93C

analogous

#3C81BD #3C40BD #793CBD

triadic

#3C40BD #BD3C40 #40BD3C

tetradic

#3C40BD #BD3C81 #BDB93C #3CBD79

square

#3C40BD #BD3C81 #BDB93C #3CBD79

split-complementary

#3C40BD #BD793C #81BD3C

monochromatic

#1F2160 #2D308F #3C40BD #676BCF #9698DE

Accessibility & contrast

On white

7.89

#3C40BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3C40BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C40BD

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C40BD	#FFFFFF	#000000	##FFFFFF
##3C40BD	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C1

Deuteranopia (green-blind)

#004BBB

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3c40bd;
/* rgb */ color: rgb(60, 64, 189);
/* oklch */ color: oklch(45.2% 0.191 274.3);

Tailwind

colors: {
  custom: {
    50: '#8275d2',
    500: '#3c40bd',
    950: '#000000',
  },
}

SCSS

$custom: #3c40bd;
$custom-light: #8275d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3c40bd",
  "rgb": {
    "r": 60,
    "g": 64,
    "b": 189
  },
  "hsl": {
    "h": 238.14,
    "s": 51.807,
    "l": 48.824
  },
  "oklch": {
    "l": 0.45213,
    "c": 0.19134,
    "h": 274.3
  },
  "luminance": 0.08302
}

Semantic roles & 50–950 ramp

primary

#3C40BD

secondary

#C9C78C

accent

#D74DDB

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3C40BD

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

Preview Lab → · Contrast checker → · Palette generator →