#3B4ABB#3B4ABB

#3B4ABB is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.7% C 0.177 H 271.9°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#3B4ABB
RGB	rgb(59, 74, 187)
HSL	hsl(233, 52%, 48%)
HSV	hsv(233, 68%, 73%)
CMYK	cmyk(68.4%, 60.4%, 0%, 26.7%)
CIE-LAB	lab(36.77, 31.60, -61.36)
CIE-LCH	lch(36.77, 69.02, 297.25°)
OKLab	oklab(46.74% 0.0058 -0.1769)
OKLCH	oklch(46.74% 0.177 271.9)
XYZ	xyz(13.2190, 9.4140, 48.1245)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4ABB #BBAC3B

analogous

#3B8ABB #3B4ABB #6C3BBB

triadic

#3B4ABB #BB3B4A #4ABB3B

tetradic

#3B4ABB #BB3B8A #BBAC3B #3BBB6C

square

#3B4ABB #BB3B8A #BBAC3B #3BBB6C

split-complementary

#3B4ABB #BB6C3B #8ABB3B

monochromatic

#1E255E #2C388C #3B4ABB #6571CE #939CDD

Accessibility & contrast

On white

7.28

#3B4ABB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#3B4ABB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4ABB

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4ABB	#FFFFFF	#000000	##FFFFFF
##3B4ABB	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBF

Deuteranopia (green-blind)

#0051B9

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b4abb;
/* rgb */ color: rgb(59, 74, 187);
/* oklch */ color: oklch(46.7% 0.177 271.9);

Tailwind

colors: {
  custom: {
    50: '#817cd0',
    500: '#3b4abb',
    950: '#000000',
  },
}

SCSS

$custom: #3b4abb;
$custom-light: #817cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4abb",
  "rgb": {
    "r": 59,
    "g": 74,
    "b": 187
  },
  "hsl": {
    "h": 232.969,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.46736,
    "c": 0.17702,
    "h": 271.9
  },
  "luminance": 0.09415
}

Semantic roles & 50–950 ramp

primary

#3B4ABB

secondary

#C8C18A

accent

#CB4CDB

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3B4ABB

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

Preview Lab → · Contrast checker → · Palette generator →