#3B4FCF#3B4FCF

#3B4FCF is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.4% C 0.197 H 270.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FCF
RGB	rgb(59, 79, 207)
HSL	hsl(232, 61%, 52%)
HSV	hsv(232, 71%, 81%)
CMYK	cmyk(71.5%, 61.8%, 0%, 18.8%)
CIE-LAB	lab(39.62, 35.51, -68.35)
CIE-LCH	lch(39.62, 77.02, 297.45°)
OKLab	oklab(49.35% 0.0016 -0.1974)
OKLCH	oklch(49.35% 0.197 270.5)
XYZ	xyz(15.8583, 11.0252, 60.3117)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FCF #CFBB3B

analogous

#3B99CF #3B4FCF #713BCF

triadic

#3B4FCF #CF3B4F #4FCF3B

tetradic

#3B4FCF #CF3B99 #CFBB3B #3BCF71

square

#3B4FCF #CF3B99 #CFBB3B #3BCF71

split-complementary

#3B4FCF #CF713B #99CF3B

monochromatic

#1C2873 #2839A5 #3B4FCF #6C7BDB #9DA7E7

Accessibility & contrast

On white

6.55

#3B4FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3B4FCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4FCF

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FCF	#FFFFFF	#000000	##FFFFFF
##3B4FCF	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D3

Deuteranopia (green-blind)

#0057CD

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3b4fcf;
/* rgb */ color: rgb(59, 79, 207);
/* oklch */ color: oklch(49.4% 0.197 270.5);

Tailwind

colors: {
  custom: {
    50: '#8580df',
    500: '#3b4fcf',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fcf;
$custom-light: #8580df;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fcf",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 207
  },
  "hsl": {
    "h": 231.892,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.4935,
    "c": 0.1974,
    "h": 270.5
  },
  "luminance": 0.11027
}

Semantic roles & 50–950 ramp

primary

#3B4FCF

secondary

#D3CA93

accent

#CE44E4

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #3B4FCF

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

Preview Lab → · Contrast checker → · Palette generator →