#3B4EC9#3B4EC9

#3B4EC9 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.7% C 0.191 H 270.7°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3B4EC9
RGB	rgb(59, 78, 201)
HSL	hsl(232, 57%, 51%)
HSV	hsv(232, 71%, 79%)
CMYK	cmyk(70.6%, 61.2%, 0%, 21.2%)
CIE-LAB	lab(38.89, 34.02, -66.08)
CIE-LCH	lch(38.89, 74.32, 297.24°)
OKLab	oklab(48.66% 0.0025 -0.1907)
OKLCH	oklch(48.66% 0.191 270.7)
XYZ	xyz(15.0671, 10.5941, 56.4978)
Luminance	0.1060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4EC9 #C9B63B

analogous

#3B95C9 #3B4EC9 #6F3BC9

triadic

#3B4EC9 #C93B4E #4EC93B

tetradic

#3B4EC9 #C93B95 #C9B63B #3BC96F

square

#3B4EC9 #C93B95 #C9B63B #3BC96F

split-complementary

#3B4EC9 #C96F3B #95C93B

monochromatic

#1E286C #2B3A9C #3B4EC9 #6B79D6 #9BA5E3

Accessibility & contrast

On white

6.73

#3B4EC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3B4EC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4EC9

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4EC9	#FFFFFF	#000000	##FFFFFF
##3B4EC9	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CD

Deuteranopia (green-blind)

#0055C7

Tritanopia (blue-blind)

#006D84

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3b4ec9;
/* rgb */ color: rgb(59, 78, 201);
/* oklch */ color: oklch(48.7% 0.191 270.7);

Tailwind

colors: {
  custom: {
    50: '#837fda',
    500: '#3b4ec9',
    950: '#000000',
  },
}

SCSS

$custom: #3b4ec9;
$custom-light: #837fda;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4ec9",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 201
  },
  "hsl": {
    "h": 231.972,
    "s": 56.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.48655,
    "c": 0.19075,
    "h": 270.7
  },
  "luminance": 0.10596
}

Semantic roles & 50–950 ramp

primary

#3B4EC9

secondary

#CFC790

accent

#CC48E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3B4EC9

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

Preview Lab → · Contrast checker → · Palette generator →