#3B4FD1#3B4FD1

#3B4FD1 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.5% C 0.200 H 270.4°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FD1
RGB	rgb(59, 79, 209)
HSL	hsl(232, 62%, 53%)
HSV	hsv(232, 72%, 82%)
CMYK	cmyk(71.8%, 62.2%, 0%, 18%)
CIE-LAB	lab(39.79, 36.21, -69.23)
CIE-LCH	lch(39.79, 78.13, 297.61°)
OKLab	oklab(49.52% 0.0016 -0.2)
OKLCH	oklch(49.52% 0.2 270.4)
XYZ	xyz(16.1043, 11.1236, 61.6076)
Luminance	0.1113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FD1 #D1BD3B

analogous

#3B9AD1 #3B4FD1 #723BD1

triadic

#3B4FD1 #D13B4F #4FD13B

tetradic

#3B4FD1 #D13B9A #D1BD3B #3BD172

square

#3B4FD1 #D13B9A #D1BD3B #3BD172

split-complementary

#3B4FD1 #D1723B #9AD13B

monochromatic

#1C2876 #2738A7 #3B4FD1 #6D7CDD #9EA8E8

Accessibility & contrast

On white

6.51

#3B4FD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#3B4FD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4FD1

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FD1	#FFFFFF	#000000	##FFFFFF
##3B4FD1	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D5

Deuteranopia (green-blind)

#0057CF

Tritanopia (blue-blind)

#007088

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3b4fd1;
/* rgb */ color: rgb(59, 79, 209);
/* oklch */ color: oklch(49.5% 0.200 270.4);

Tailwind

colors: {
  custom: {
    50: '#8580e0',
    500: '#3b4fd1',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fd1;
$custom-light: #8580e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fd1",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 209
  },
  "hsl": {
    "h": 232,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49523,
    "c": 0.19999,
    "h": 270.4
  },
  "luminance": 0.11125
}

Semantic roles & 50–950 ramp

primary

#3B4FD1

secondary

#D4CC93

accent

#CF43E5

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #3B4FD1

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

Preview Lab → · Contrast checker → · Palette generator →