#3B4FB7#3B4FB7

#3B4FB7 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.4% C 0.165 H 270.6°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FB7
RGB	rgb(59, 79, 183)
HSL	hsl(230, 51%, 47%)
HSV	hsv(230, 68%, 72%)
CMYK	cmyk(67.8%, 56.8%, 0%, 28.2%)
CIE-LAB	lab(37.73, 26.95, -57.44)
CIE-LCH	lch(37.73, 63.45, 295.14°)
OKLab	oklab(47.36% 0.0016 -0.1654)
OKLCH	oklch(47.36% 0.165 270.6)
XYZ	xyz(13.1440, 9.9394, 46.0164)
Luminance	0.0994 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FB7 #B7A33B

analogous

#3B8DB7 #3B4FB7 #653BB7

triadic

#3B4FB7 #B73B4F #4FB73B

tetradic

#3B4FB7 #B73B8D #B7A33B #3BB765

square

#3B4FB7 #B73B8D #B7A33B #3BB765

split-complementary

#3B4FB7 #B7653B #8DB73B

monochromatic

#1D275A #2C3B89 #3B4FB7 #6374CD #919DDC

Accessibility & contrast

On white

7.03

#3B4FB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#3B4FB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4FB7

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FB7	#FFFFFF	#000000	##FFFFFF
##3B4FB7	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBB

Deuteranopia (green-blind)

#0053B5

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3b4fb7;
/* rgb */ color: rgb(59, 79, 183);
/* oklch */ color: oklch(47.4% 0.165 270.6);

Tailwind

colors: {
  custom: {
    50: '#8080cd',
    500: '#3b4fb7',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fb7;
$custom-light: #8080cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fb7",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 183
  },
  "hsl": {
    "h": 230.323,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47356,
    "c": 0.16537,
    "h": 270.6
  },
  "luminance": 0.09941
}

Semantic roles & 50–950 ramp

primary

#3B4FB7

secondary

#C6BC87

accent

#C44DDB

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3B4FB7

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

Preview Lab → · Contrast checker → · Palette generator →