#3C40BE#3C40BE

#3C40BE is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.3% C 0.193 H 274.2°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#3C40BE
RGB	rgb(60, 64, 190)
HSL	hsl(238, 52%, 49%)
HSV	hsv(238, 68%, 75%)
CMYK	cmyk(68.4%, 66.3%, 0%, 25.5%)
CIE-LAB	lab(34.69, 39.05, -66.52)
CIE-LCH	lch(34.69, 77.14, 300.41°)
OKLab	oklab(45.3% 0.0142 -0.1921)
OKLCH	oklch(45.3% 0.193 274.2)
XYZ	xyz(12.9881, 8.3440, 49.6313)
Luminance	0.0834 (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

#3C40BE #BEBA3C

analogous

#3C81BE #3C40BE #793CBE

triadic

#3C40BE #BE3C40 #40BE3C

tetradic

#3C40BE #BE3C81 #BEBA3C #3CBE79

square

#3C40BE #BE3C81 #BEBA3C #3CBE79

split-complementary

#3C40BE #BE793C #81BE3C

monochromatic

#1F2161 #2D308F #3C40BE #686BCF #9699DE

Accessibility & contrast

On white

7.87

#3C40BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3C40BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C40BE

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C40BE	#FFFFFF	#000000	##FFFFFF
##3C40BE	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C2

Deuteranopia (green-blind)

#004CBC

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3c40be;
/* rgb */ color: rgb(60, 64, 190);
/* oklch */ color: oklch(45.3% 0.193 274.2);

Tailwind

colors: {
  custom: {
    50: '#8375d3',
    500: '#3c40be',
    950: '#000000',
  },
}

SCSS

$custom: #3c40be;
$custom-light: #8375d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3c40be",
  "rgb": {
    "r": 60,
    "g": 64,
    "b": 190
  },
  "hsl": {
    "h": 238.154,
    "s": 52,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45304,
    "c": 0.19263,
    "h": 274.2
  },
  "luminance": 0.08345
}

Semantic roles & 50–950 ramp

primary

#3C40BE

secondary

#CAC88C

accent

#D74CDB

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3C40BE

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

Preview Lab → · Contrast checker → · Palette generator →