#3B4DD4#3B4DD4

#3B4DD4 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 49.4% C 0.206 H 270.8°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#3B4DD4
RGB	rgb(59, 77, 212)
HSL	hsl(233, 64%, 53%)
HSV	hsv(233, 72%, 83%)
CMYK	cmyk(72.2%, 63.7%, 0%, 16.9%)
CIE-LAB	lab(39.56, 38.51, -71.33)
CIE-LCH	lch(39.56, 81.06, 298.36°)
OKLab	oklab(49.44% 0.0027 -0.2061)
OKLCH	oklch(49.44% 0.206 270.8)
XYZ	xyz(16.3371, 10.9893, 63.5348)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4DD4 #D4C23B

analogous

#3B99D4 #3B4DD4 #753BD4

triadic

#3B4DD4 #D43B4D #4DD43B

tetradic

#3B4DD4 #D43B99 #D4C23B #3BD475

square

#3B4DD4 #D43B99 #D4C23B #3BD475

split-complementary

#3B4DD4 #D4753B #99D43B

monochromatic

#1B267A #2636AC #3B4DD4 #6D7BDF #9FA8EA

Accessibility & contrast

On white

6.57

#3B4DD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3B4DD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4DD4

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4DD4	#FFFFFF	#000000	##FFFFFF
##3B4DD4	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D8

Deuteranopia (green-blind)

#0056D1

Tritanopia (blue-blind)

#007089

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3b4dd4;
/* rgb */ color: rgb(59, 77, 212);
/* oklch */ color: oklch(49.4% 0.206 270.8);

Tailwind

colors: {
  custom: {
    50: '#867fe2',
    500: '#3b4dd4',
    950: '#000000',
  },
}

SCSS

$custom: #3b4dd4;
$custom-light: #867fe2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4dd4",
  "rgb": {
    "r": 59,
    "g": 77,
    "b": 212
  },
  "hsl": {
    "h": 232.941,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.49435,
    "c": 0.20616,
    "h": 270.8
  },
  "luminance": 0.10991
}

Semantic roles & 50–950 ramp

primary

#3B4DD4

secondary

#D6CF94

accent

#D341E7

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3B4DD4

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

Preview Lab → · Contrast checker → · Palette generator →