#3A4E9B#3A4E9B

#3A4E9B is a dark, vivid blue. Relative luminance 0.087; OKLCH L 45.0% C 0.127 H 269.7°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#3A4E9B
RGB	rgb(58, 78, 155)
HSL	hsl(228, 46%, 42%)
HSV	hsv(228, 63%, 61%)
CMYK	cmyk(62.6%, 49.7%, 0%, 39.2%)
CIE-LAB	lab(35.43, 17.35, -44.50)
CIE-LCH	lch(35.43, 47.76, 291.31°)
OKLab	oklab(44.97% -0.0006 -0.1273)
OKLCH	oklch(44.97% 0.127 269.7)
XYZ	xyz(10.3837, 8.7140, 32.1388)
Luminance	0.0872 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4E9B #9B873A

analogous

#3A7F9B #3A4E9B #573A9B

triadic

#3A4E9B #9B3A4E #4E9B3A

tetradic

#3A4E9B #9B3A7F #9B873A #3A9B57

square

#3A4E9B #9B3A7F #9B873A #3A9B57

split-complementary

#3A4E9B #9B573A #7F9B3A

monochromatic

#192142 #29386E #3A4E9B #536ABF #8090CF

Accessibility & contrast

On white

7.66

#3A4E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3A4E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4E9B

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4E9B	#FFFFFF	#000000	##FFFFFF
##3A4E9B	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26589E

Deuteranopia (green-blind)

#134F99

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3a4e9b;
/* rgb */ color: rgb(58, 78, 155);
/* oklch */ color: oklch(45.0% 0.127 269.7);

Tailwind

colors: {
  custom: {
    50: '#7a7fb9',
    500: '#3a4e9b',
    950: '#000000',
  },
}

SCSS

$custom: #3a4e9b;
$custom-light: #7a7fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4e9b",
  "rgb": {
    "r": 58,
    "g": 78,
    "b": 155
  },
  "hsl": {
    "h": 227.629,
    "s": 45.54,
    "l": 41.765
  },
  "oklch": {
    "l": 0.44974,
    "c": 0.1273,
    "h": 269.7
  },
  "luminance": 0.08715
}

Semantic roles & 50–950 ramp

primary

#3A4E9B

secondary

#B9AC78

accent

#BA53D5

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #3A4E9B

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

Preview Lab → · Contrast checker → · Palette generator →