#3E40AE#3E40AE

#3E40AE is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.0% C 0.171 H 276.0°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3E40AE
RGB	rgb(62, 64, 174)
HSL	hsl(239, 47%, 46%)
HSV	hsv(239, 64%, 68%)
CMYK	cmyk(64.4%, 63.2%, 0%, 31.8%)
CIE-LAB	lab(33.45, 33.86, -59.08)
CIE-LCH	lch(33.45, 68.10, 299.81°)
OKLab	oklab(44.01% 0.0178 -0.1702)
OKLCH	oklch(44.01% 0.171 276)
XYZ	xyz(11.4575, 7.7460, 40.9275)
Luminance	0.0775 (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

#3E40AE #AEAC3E

analogous

#3E78AE #3E40AE #743EAE

triadic

#3E40AE #AE3E40 #40AE3E

tetradic

#3E40AE #AE3E78 #AEAC3E #3EAE74

square

#3E40AE #AE3E78 #AEAC3E #3EAE74

split-complementary

#3E40AE #AE743E #78AE3E

monochromatic

#1E1F54 #2E2F81 #3E40AE #6264C7 #8F91D7

Accessibility & contrast

On white

8.24

#3E40AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3E40AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40AE

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E40AE	#FFFFFF	#000000	##FFFFFF
##3E40AE	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B2

Deuteranopia (green-blind)

#004AAC

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3e40ae;
/* rgb */ color: rgb(62, 64, 174);
/* oklch */ color: oklch(44.0% 0.171 276.0);

Tailwind

colors: {
  custom: {
    50: '#8075c7',
    500: '#3e40ae',
    950: '#000000',
  },
}

SCSS

$custom: #3e40ae;
$custom-light: #8075c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3e40ae",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 174
  },
  "hsl": {
    "h": 238.929,
    "s": 47.458,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44009,
    "c": 0.17117,
    "h": 276
  },
  "luminance": 0.07747
}

Semantic roles & 50–950 ramp

primary

#3E40AE

secondary

#C2C186

accent

#D551D7

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3E40AE

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

Preview Lab → · Contrast checker → · Palette generator →