#3B4FA3#3B4FA3

#3B4FA3 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.8% C 0.137 H 270.1°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FA3
RGB	rgb(59, 79, 163)
HSL	hsl(228, 47%, 44%)
HSV	hsv(228, 64%, 64%)
CMYK	cmyk(63.8%, 51.5%, 0%, 36.1%)
CIE-LAB	lab(36.30, 19.76, -47.89)
CIE-LCH	lch(36.30, 51.81, 292.42°)
OKLab	oklab(45.82% 0.0003 -0.1373)
OKLCH	oklch(45.82% 0.137 270.1)
XYZ	xyz(11.2082, 9.1651, 35.8216)
Luminance	0.0917 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FA3 #A38F3B

analogous

#3B83A3 #3B4FA3 #5B3BA3

triadic

#3B4FA3 #A33B4F #4FA33B

tetradic

#3B4FA3 #A33B83 #A38F3B #3BA35B

square

#3B4FA3 #A33B83 #A38F3B #3BA35B

split-complementary

#3B4FA3 #A35B3B #83A33B

monochromatic

#1A2349 #2B3976 #3B4FA3 #586DC3 #8594D3

Accessibility & contrast

On white

7.41

#3B4FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#3B4FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4FA3

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FA3	#FFFFFF	#000000	##FFFFFF
##3B4FA3	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5AA6

Deuteranopia (green-blind)

#0051A1

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3b4fa3;
/* rgb */ color: rgb(59, 79, 163);
/* oklch */ color: oklch(45.8% 0.137 270.1);

Tailwind

colors: {
  custom: {
    50: '#7c80bf',
    500: '#3b4fa3',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fa3;
$custom-light: #7c80bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fa3",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 163
  },
  "hsl": {
    "h": 228.462,
    "s": 46.847,
    "l": 43.529
  },
  "oklch": {
    "l": 0.45823,
    "c": 0.13726,
    "h": 270.1
  },
  "luminance": 0.09166
}

Semantic roles & 50–950 ramp

primary

#3B4FA3

secondary

#BDB17D

accent

#BD51D6

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3B4FA3

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

Preview Lab → · Contrast checker → · Palette generator →