#3C40AE#3C40AE

#3C40AE is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.9% C 0.172 H 275.2°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#3C40AE
RGB	rgb(60, 64, 174)
HSL	hsl(238, 49%, 46%)
HSV	hsv(238, 66%, 68%)
CMYK	cmyk(65.5%, 63.2%, 0%, 31.8%)
CIE-LAB	lab(33.31, 33.55, -59.31)
CIE-LCH	lch(33.31, 68.14, 299.50°)
OKLab	oklab(43.87% 0.0154 -0.171)
OKLCH	oklch(43.87% 0.172 275.2)
XYZ	xyz(11.3343, 7.6825, 40.9218)
Luminance	0.0768 (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

#3C40AE #AEAA3C

analogous

#3C79AE #3C40AE #713CAE

triadic

#3C40AE #AE3C40 #40AE3C

tetradic

#3C40AE #AE3C79 #AEAA3C #3CAE71

square

#3C40AE #AE3C79 #AEAA3C #3CAE71

split-complementary

#3C40AE #AE713C #79AE3C

monochromatic

#1D1F53 #2C2F80 #3C40AE #5F63C8 #8D8FD8

Accessibility & contrast

On white

8.28

#3C40AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3C40AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C40AE

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C40AE	#FFFFFF	#000000	##FFFFFF
##3C40AE	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B2

Deuteranopia (green-blind)

#0049AC

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3c40ae;
/* rgb */ color: rgb(60, 64, 174);
/* oklch */ color: oklch(43.9% 0.172 275.2);

Tailwind

colors: {
  custom: {
    50: '#7f75c7',
    500: '#3c40ae',
    950: '#000000',
  },
}

SCSS

$custom: #3c40ae;
$custom-light: #7f75c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3c40ae",
  "rgb": {
    "r": 60,
    "g": 64,
    "b": 174
  },
  "hsl": {
    "h": 237.895,
    "s": 48.718,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43874,
    "c": 0.17166,
    "h": 275.2
  },
  "luminance": 0.07683
}

Semantic roles & 50–950 ramp

primary

#3C40AE

secondary

#C2C083

accent

#D350D8

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3C40AE

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

Preview Lab → · Contrast checker → · Palette generator →