#3A4FA3#3A4FA3

#3A4FA3 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.8% C 0.138 H 269.7°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#3A4FA3
RGB	rgb(58, 79, 163)
HSL	hsl(228, 48%, 43%)
HSV	hsv(228, 64%, 64%)
CMYK	cmyk(64.4%, 51.5%, 0%, 36.1%)
CIE-LAB	lab(36.24, 19.58, -47.99)
CIE-LCH	lch(36.24, 51.83, 292.19°)
OKLab	oklab(45.76% -0.0007 -0.1376)
OKLCH	oklch(45.76% 0.138 269.7)
XYZ	xyz(11.1495, 9.1349, 35.8189)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4FA3 #A38E3A

analogous

#3A83A3 #3A4FA3 #593AA3

triadic

#3A4FA3 #A33A4F #4FA33A

tetradic

#3A4FA3 #A33A83 #A38E3A #3AA359

square

#3A4FA3 #A33A83 #A38E3A #3AA359

split-complementary

#3A4FA3 #A3593A #83A33A

monochromatic

#1A2349 #2A3976 #3A4FA3 #576DC3 #8494D3

Accessibility & contrast

On white

7.43

#3A4FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#3A4FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4FA3

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4FA3	#FFFFFF	#000000	##FFFFFF
##3A4FA3	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5AA6

Deuteranopia (green-blind)

#0051A1

Tritanopia (blue-blind)

#006371

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3a4fa3;
/* rgb */ color: rgb(58, 79, 163);
/* oklch */ color: oklch(45.8% 0.138 269.7);

Tailwind

colors: {
  custom: {
    50: '#7b80bf',
    500: '#3a4fa3',
    950: '#000000',
  },
}

SCSS

$custom: #3a4fa3;
$custom-light: #7b80bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4fa3",
  "rgb": {
    "r": 58,
    "g": 79,
    "b": 163
  },
  "hsl": {
    "h": 228,
    "s": 47.511,
    "l": 43.333
  },
  "oklch": {
    "l": 0.45764,
    "c": 0.13756,
    "h": 269.7
  },
  "luminance": 0.09136
}

Semantic roles & 50–950 ramp

primary

#3A4FA3

secondary

#BDB07C

accent

#BC51D7

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3A4FA3

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

Preview Lab → · Contrast checker → · Palette generator →