#3C40AF#3C40AF

#3C40AF is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.0% C 0.173 H 275.1°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#3C40AF
RGB	rgb(60, 64, 175)
HSL	hsl(238, 49%, 46%)
HSV	hsv(238, 66%, 69%)
CMYK	cmyk(65.7%, 63.4%, 0%, 31.4%)
CIE-LAB	lab(33.40, 33.90, -59.77)
CIE-LCH	lch(33.40, 68.71, 299.56°)
OKLab	oklab(43.96% 0.0154 -0.1723)
OKLCH	oklch(43.96% 0.173 275.1)
XYZ	xyz(11.4322, 7.7216, 41.4371)
Luminance	0.0772 (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

#3C40AF #AFAB3C

analogous

#3C79AF #3C40AF #713CAF

triadic

#3C40AF #AF3C40 #40AF3C

tetradic

#3C40AF #AF3C79 #AFAB3C #3CAF71

square

#3C40AF #AF3C79 #AFAB3C #3CAF71

split-complementary

#3C40AF #AF713C #79AF3C

monochromatic

#1D1F54 #2C2F81 #3C40AF #6063C8 #8D90D8

Accessibility & contrast

On white

8.25

#3C40AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3C40AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C40AF

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C40AF	#FFFFFF	#000000	##FFFFFF
##3C40AF	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B3

Deuteranopia (green-blind)

#0049AD

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3c40af;
/* rgb */ color: rgb(60, 64, 175);
/* oklch */ color: oklch(44.0% 0.173 275.1);

Tailwind

colors: {
  custom: {
    50: '#8075c8',
    500: '#3c40af',
    950: '#000000',
  },
}

SCSS

$custom: #3c40af;
$custom-light: #8075c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3c40af",
  "rgb": {
    "r": 60,
    "g": 64,
    "b": 175
  },
  "hsl": {
    "h": 237.913,
    "s": 48.936,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43961,
    "c": 0.17299,
    "h": 275.1
  },
  "luminance": 0.07723
}

Semantic roles & 50–950 ramp

primary

#3C40AF

secondary

#C3C184

accent

#D44FD8

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3C40AF

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

Preview Lab → · Contrast checker → · Palette generator →