#3A40AE#3A40AE

#3A40AE is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.7% C 0.172 H 274.4°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#3A40AE
RGB	rgb(58, 64, 174)
HSL	hsl(237, 50%, 45%)
HSV	hsv(237, 67%, 68%)
CMYK	cmyk(66.7%, 63.2%, 0%, 31.8%)
CIE-LAB	lab(33.18, 33.26, -59.53)
CIE-LCH	lch(33.18, 68.19, 299.19°)
OKLab	oklab(43.74% 0.0131 -0.1717)
OKLCH	oklch(43.74% 0.172 274.4)
XYZ	xyz(11.2158, 7.6213, 40.9162)
Luminance	0.0762 (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

#3A40AE #AEA83A

analogous

#3A7AAE #3A40AE #6E3AAE

triadic

#3A40AE #AE3A40 #40AE3A

tetradic

#3A40AE #AE3A7A #AEA83A #3AAE6E

square

#3A40AE #AE3A7A #AEA83A #3AAE6E

split-complementary

#3A40AE #AE6E3A #7AAE3A

monochromatic

#1B1E52 #2B2F80 #3A40AE #5C62C9 #8A8ED8

Accessibility & contrast

On white

8.32

#3A40AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3A40AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A40AE

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A40AE	#FFFFFF	#000000	##FFFFFF
##3A40AE	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	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: #3a40ae;
/* rgb */ color: rgb(58, 64, 174);
/* oklch */ color: oklch(43.7% 0.172 274.4);

Tailwind

colors: {
  custom: {
    50: '#7e75c7',
    500: '#3a40ae',
    950: '#000000',
  },
}

SCSS

$custom: #3a40ae;
$custom-light: #7e75c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a40ae",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 174
  },
  "hsl": {
    "h": 236.897,
    "s": 50,
    "l": 45.49
  },
  "oklch": {
    "l": 0.43743,
    "c": 0.17216,
    "h": 274.4
  },
  "luminance": 0.07622
}

Semantic roles & 50–950 ramp

primary

#3A40AE

secondary

#C2BF81

accent

#D24EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A40AE

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

Preview Lab → · Contrast checker → · Palette generator →