#3A4FA5#3A4FA5

#3A4FA5 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.9% C 0.140 H 269.8°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#3A4FA5
RGB	rgb(58, 79, 165)
HSL	hsl(228, 48%, 44%)
HSV	hsv(228, 65%, 65%)
CMYK	cmyk(64.8%, 52.1%, 0%, 35.3%)
CIE-LAB	lab(36.38, 20.30, -48.97)
CIE-LCH	lch(36.38, 53.01, 292.52°)
OKLab	oklab(45.91% -0.0005 -0.1404)
OKLCH	oklch(45.91% 0.14 269.8)
XYZ	xyz(11.3301, 9.2071, 36.7701)
Luminance	0.0921 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4FA5 #A5903A

analogous

#3A84A5 #3A4FA5 #5A3AA5

triadic

#3A4FA5 #A53A4F #4FA53A

tetradic

#3A4FA5 #A53A84 #A5903A #3AA55A

square

#3A4FA5 #A53A84 #A5903A #3AA55A

split-complementary

#3A4FA5 #A55A3A #84A53A

monochromatic

#1A244A #2A3978 #3A4FA5 #586DC4 #8595D4

Accessibility & contrast

On white

7.39

#3A4FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#3A4FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4FA5

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4FA5	#FFFFFF	#000000	##FFFFFF
##3A4FA5	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C5BA8

Deuteranopia (green-blind)

#0051A3

Tritanopia (blue-blind)

#006372

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3a4fa5;
/* rgb */ color: rgb(58, 79, 165);
/* oklch */ color: oklch(45.9% 0.140 269.8);

Tailwind

colors: {
  custom: {
    50: '#7c80c0',
    500: '#3a4fa5',
    950: '#000000',
  },
}

SCSS

$custom: #3a4fa5;
$custom-light: #7c80c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4fa5",
  "rgb": {
    "r": 58,
    "g": 79,
    "b": 165
  },
  "hsl": {
    "h": 228.224,
    "s": 47.982,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45912,
    "c": 0.14043,
    "h": 269.8
  },
  "luminance": 0.09208
}

Semantic roles & 50–950 ramp

primary

#3A4FA5

secondary

#BEB17D

accent

#BD50D8

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3A4FA5

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

Preview Lab → · Contrast checker → · Palette generator →