#3B4ECB#3B4ECB

#3B4ECB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.8% C 0.193 H 270.7°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#3B4ECB
RGB	rgb(59, 78, 203)
HSL	hsl(232, 58%, 51%)
HSV	hsv(232, 71%, 80%)
CMYK	cmyk(70.9%, 61.6%, 0%, 20.4%)
CIE-LAB	lab(39.05, 34.72, -66.97)
CIE-LCH	lch(39.05, 75.44, 297.41°)
OKLab	oklab(48.83% 0.0024 -0.1933)
OKLCH	oklch(48.83% 0.193 270.7)
XYZ	xyz(15.3038, 10.6888, 57.7450)
Luminance	0.1069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4ECB #CBB83B

analogous

#3B96CB #3B4ECB #703BCB

triadic

#3B4ECB #CB3B4E #4ECB3B

tetradic

#3B4ECB #CB3B96 #CBB83B #3BCB70

square

#3B4ECB #CB3B96 #CBB83B #3BCB70

split-complementary

#3B4ECB #CB703B #96CB3B

monochromatic

#1D286E #2A399F #3B4ECB #6B7AD8 #9CA5E5

Accessibility & contrast

On white

6.69

#3B4ECB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3B4ECB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4ECB

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4ECB	#FFFFFF	#000000	##FFFFFF
##3B4ECB	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CF

Deuteranopia (green-blind)

#0055C9

Tritanopia (blue-blind)

#006E85

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3b4ecb;
/* rgb */ color: rgb(59, 78, 203);
/* oklch */ color: oklch(48.8% 0.193 270.7);

Tailwind

colors: {
  custom: {
    50: '#847fdc',
    500: '#3b4ecb',
    950: '#000000',
  },
}

SCSS

$custom: #3b4ecb;
$custom-light: #847fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4ecb",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 203
  },
  "hsl": {
    "h": 232.083,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48826,
    "c": 0.19337,
    "h": 270.7
  },
  "luminance": 0.1069
}

Semantic roles & 50–950 ramp

primary

#3B4ECB

secondary

#D1C891

accent

#CD47E1

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3B4ECB

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

Preview Lab → · Contrast checker → · Palette generator →