#3B4FBB#3B4FBB

#3B4FBB is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.7% C 0.171 H 270.6°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FBB
RGB	rgb(59, 79, 187)
HSL	hsl(231, 52%, 48%)
HSV	hsv(231, 68%, 73%)
CMYK	cmyk(68.4%, 57.8%, 0%, 26.7%)
CIE-LAB	lab(38.04, 28.39, -59.30)
CIE-LCH	lch(38.04, 65.75, 295.58°)
OKLab	oklab(47.68% 0.0017 -0.1708)
OKLCH	oklch(47.68% 0.171 270.6)
XYZ	xyz(13.5662, 10.1083, 48.2402)
Luminance	0.1011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FBB #BBA73B

analogous

#3B8FBB #3B4FBB #673BBB

triadic

#3B4FBB #BB3B4F #4FBB3B

tetradic

#3B4FBB #BB3B8F #BBA73B #3BBB67

square

#3B4FBB #BB3B8F #BBA73B #3BBB67

split-complementary

#3B4FBB #BB673B #8FBB3B

monochromatic

#1E285E #2C3B8C #3B4FBB #6575CE #939FDD

Accessibility & contrast

On white

6.95

#3B4FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#3B4FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4FBB

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FBB	#FFFFFF	#000000	##FFFFFF
##3B4FBB	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BF

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3b4fbb;
/* rgb */ color: rgb(59, 79, 187);
/* oklch */ color: oklch(47.7% 0.171 270.6);

Tailwind

colors: {
  custom: {
    50: '#8080d0',
    500: '#3b4fbb',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fbb;
$custom-light: #8080d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fbb",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 187
  },
  "hsl": {
    "h": 230.625,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.47678,
    "c": 0.17083,
    "h": 270.6
  },
  "luminance": 0.1011
}

Semantic roles & 50–950 ramp

primary

#3B4FBB

secondary

#C8BE8A

accent

#C54CDB

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3B4FBB

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

Preview Lab → · Contrast checker → · Palette generator →