#3B4DBB#3B4DBB

#3B4DBB is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.3% C 0.173 H 271.1°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#3B4DBB
RGB	rgb(59, 77, 187)
HSL	hsl(232, 52%, 48%)
HSV	hsv(232, 68%, 73%)
CMYK	cmyk(68.4%, 58.8%, 0%, 26.7%)
CIE-LAB	lab(37.52, 29.68, -60.13)
CIE-LCH	lch(37.52, 67.06, 296.27°)
OKLab	oklab(47.3% 0.0034 -0.1733)
OKLCH	oklch(47.3% 0.173 271.1)
XYZ	xyz(13.4241, 9.8241, 48.1929)
Luminance	0.0983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4DBB #BBA93B

analogous

#3B8DBB #3B4DBB #693BBB

triadic

#3B4DBB #BB3B4D #4DBB3B

tetradic

#3B4DBB #BB3B8D #BBA93B #3BBB69

square

#3B4DBB #BB3B8D #BBA93B #3BBB69

split-complementary

#3B4DBB #BB693B #8DBB3B

monochromatic

#1E275E #2C3A8C #3B4DBB #6574CE #939EDD

Accessibility & contrast

On white

7.08

#3B4DBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3B4DBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4DBB

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4DBB	#FFFFFF	#000000	##FFFFFF
##3B4DBB	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBF

Deuteranopia (green-blind)

#0053B9

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3b4dbb;
/* rgb */ color: rgb(59, 77, 187);
/* oklch */ color: oklch(47.3% 0.173 271.1);

Tailwind

colors: {
  custom: {
    50: '#817ed0',
    500: '#3b4dbb',
    950: '#000000',
  },
}

SCSS

$custom: #3b4dbb;
$custom-light: #817ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4dbb",
  "rgb": {
    "r": 59,
    "g": 77,
    "b": 187
  },
  "hsl": {
    "h": 231.563,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.47297,
    "c": 0.17332,
    "h": 271.1
  },
  "luminance": 0.09825
}

Semantic roles & 50–950 ramp

primary

#3B4DBB

secondary

#C8BF8A

accent

#C74CDB

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3B4DBB

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

Preview Lab → · Contrast checker → · Palette generator →