#3B4DA4#3B4DA4

#3B4DA4 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.141 H 271.0°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#3B4DA4
RGB	rgb(59, 77, 164)
HSL	hsl(230, 47%, 44%)
HSV	hsv(230, 64%, 64%)
CMYK	cmyk(64%, 53%, 0%, 35.7%)
CIE-LAB	lab(35.82, 21.43, -49.26)
CIE-LCH	lch(35.82, 53.72, 293.51°)
OKLab	oklab(45.49% 0.0024 -0.1413)
OKLCH	oklch(45.49% 0.141 271)
XYZ	xyz(11.1561, 8.9169, 36.2480)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4DA4 #A4923B

analogous

#3B81A4 #3B4DA4 #5D3BA4

triadic

#3B4DA4 #A43B4D #4DA43B

tetradic

#3B4DA4 #A43B81 #A4923B #3BA45D

square

#3B4DA4 #A43B81 #A4923B #3BA45D

split-complementary

#3B4DA4 #A45D3B #81A43B

monochromatic

#1B234A #2B3877 #3B4DA4 #596BC3 #8693D3

Accessibility & contrast

On white

7.54

#3B4DA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3B4DA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4DA4

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4DA4	#FFFFFF	#000000	##FFFFFF
##3B4DA4	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1759A7

Deuteranopia (green-blind)

#0050A2

Tritanopia (blue-blind)

#006171

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3b4da4;
/* rgb */ color: rgb(59, 77, 164);
/* oklch */ color: oklch(45.5% 0.141 271.0);

Tailwind

colors: {
  custom: {
    50: '#7c7ec0',
    500: '#3b4da4',
    950: '#000000',
  },
}

SCSS

$custom: #3b4da4;
$custom-light: #7c7ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4da4",
  "rgb": {
    "r": 59,
    "g": 77,
    "b": 164
  },
  "hsl": {
    "h": 229.714,
    "s": 47.085,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45485,
    "c": 0.14133,
    "h": 271
  },
  "luminance": 0.08918
}

Semantic roles & 50–950 ramp

primary

#3B4DA4

secondary

#BEB37D

accent

#C051D7

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3B4DA4

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

Preview Lab → · Contrast checker → · Palette generator →