#3B4FC7#3B4FC7

#3B4FC7 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.7% C 0.187 H 270.5°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FC7
RGB	rgb(59, 79, 199)
HSL	hsl(231, 56%, 51%)
HSV	hsv(231, 70%, 78%)
CMYK	cmyk(70.4%, 60.3%, 0%, 22%)
CIE-LAB	lab(38.97, 32.67, -64.78)
CIE-LCH	lch(38.97, 72.55, 296.77°)
OKLab	oklab(48.67% 0.0018 -0.1869)
OKLCH	oklch(48.67% 0.187 270.5)
XYZ	xyz(14.9049, 10.6438, 55.2907)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FC7 #C7B33B

analogous

#3B95C7 #3B4FC7 #6D3BC7

triadic

#3B4FC7 #C73B4F #4FC73B

tetradic

#3B4FC7 #C73B95 #C7B33B #3BC76D

square

#3B4FC7 #C73B95 #C7B33B #3BC76D

split-complementary

#3B4FC7 #C76D3B #95C73B

monochromatic

#1E2969 #2C3B99 #3B4FC7 #6B7AD5 #9AA4E2

Accessibility & contrast

On white

6.71

#3B4FC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3B4FC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4FC7

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FC7	#FFFFFF	#000000	##FFFFFF
##3B4FC7	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CB

Deuteranopia (green-blind)

#0055C5

Tritanopia (blue-blind)

#006D83

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3b4fc7;
/* rgb */ color: rgb(59, 79, 199);
/* oklch */ color: oklch(48.7% 0.187 270.5);

Tailwind

colors: {
  custom: {
    50: '#8380d9',
    500: '#3b4fc7',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fc7;
$custom-light: #8380d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fc7",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 199
  },
  "hsl": {
    "h": 231.429,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.48668,
    "c": 0.18692,
    "h": 270.5
  },
  "luminance": 0.10645
}

Semantic roles & 50–950 ramp

primary

#3B4FC7

secondary

#CEC590

accent

#C949DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3B4FC7

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

Preview Lab → · Contrast checker → · Palette generator →