#3B6BCB#3B6BCB

#3B6BCB is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.6% C 0.158 H 262.4°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3B6BCB
RGB	rgb(59, 107, 203)
HSL	hsl(220, 58%, 51%)
HSV	hsv(220, 71%, 80%)
CMYK	cmyk(70.9%, 47.3%, 0%, 20.4%)
CIE-LAB	lab(46.65, 16.21, -54.65)
CIE-LCH	lch(46.65, 57.01, 286.52°)
OKLab	oklab(54.55% -0.0208 -0.1567)
OKLCH	oklch(54.55% 0.158 262.4)
XYZ	xyz(17.8370, 15.7551, 58.5893)
Luminance	0.1576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6BCB #CB9B3B

analogous

#3BB3CB #3B6BCB #533BCB

triadic

#3B6BCB #CB3B6B #6BCB3B

tetradic

#3B6BCB #CB3BB3 #CB9B3B #3BCB53

square

#3B6BCB #CB3BB3 #CB9B3B #3BCB53

split-complementary

#3B6BCB #CB533B #B3CB3B

monochromatic

#1D386E #2A519F #3B6BCB #6B90D8 #9CB4E5

Accessibility & contrast

On white

5.06

#3B6BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#3B6BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6BCB

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6BCB	#FFFFFF	#000000	##FFFFFF
##3B6BCB	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3876CF

Deuteranopia (green-blind)

#1368C9

Tritanopia (blue-blind)

#008291

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3b6bcb;
/* rgb */ color: rgb(59, 107, 203);
/* oklch */ color: oklch(54.6% 0.158 262.4);

Tailwind

colors: {
  custom: {
    50: '#8294db',
    500: '#3b6bcb',
    950: '#000000',
  },
}

SCSS

$custom: #3b6bcb;
$custom-light: #8294db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6bcb",
  "rgb": {
    "r": 59,
    "g": 107,
    "b": 203
  },
  "hsl": {
    "h": 220,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.54552,
    "c": 0.1581,
    "h": 262.4
  },
  "luminance": 0.15757
}

Semantic roles & 50–950 ramp

primary

#3B6BCB

secondary

#D1BB91

accent

#AE47E1

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6BCB

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

Preview Lab → · Contrast checker → · Palette generator →