#3A4EA3#3A4EA3

#3A4EA3 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.139 H 270.1°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#3A4EA3
RGB	rgb(58, 78, 163)
HSL	hsl(229, 48%, 43%)
HSV	hsv(229, 64%, 64%)
CMYK	cmyk(64.4%, 52.1%, 0%, 36.1%)
CIE-LAB	lab(35.97, 20.23, -48.43)
CIE-LCH	lch(35.97, 52.49, 292.67°)
OKLab	oklab(45.56% 0.0003 -0.1389)
OKLCH	oklch(45.56% 0.139 270.1)
XYZ	xyz(11.0779, 8.9917, 35.7950)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4EA3 #A38F3A

analogous

#3A82A3 #3A4EA3 #5A3AA3

triadic

#3A4EA3 #A33A4E #4EA33A

tetradic

#3A4EA3 #A33A82 #A38F3A #3AA35A

square

#3A4EA3 #A33A82 #A38F3A #3AA35A

split-complementary

#3A4EA3 #A35A3A #82A33A

monochromatic

#1A2349 #2A3876 #3A4EA3 #576CC3 #8493D3

Accessibility & contrast

On white

7.50

#3A4EA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3A4EA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4EA3

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4EA3	#FFFFFF	#000000	##FFFFFF
##3A4EA3	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C5AA6

Deuteranopia (green-blind)

#0050A1

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3a4ea3;
/* rgb */ color: rgb(58, 78, 163);
/* oklch */ color: oklch(45.6% 0.139 270.1);

Tailwind

colors: {
  custom: {
    50: '#7b7fbf',
    500: '#3a4ea3',
    950: '#000000',
  },
}

SCSS

$custom: #3a4ea3;
$custom-light: #7b7fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4ea3",
  "rgb": {
    "r": 58,
    "g": 78,
    "b": 163
  },
  "hsl": {
    "h": 228.571,
    "s": 47.511,
    "l": 43.333
  },
  "oklch": {
    "l": 0.45557,
    "c": 0.13888,
    "h": 270.1
  },
  "luminance": 0.08993
}

Semantic roles & 50–950 ramp

primary

#3A4EA3

secondary

#BDB17C

accent

#BE51D7

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3A4EA3

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

Preview Lab → · Contrast checker → · Palette generator →