#3B6BB3#3B6BB3

#3B6BB3 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.0% C 0.125 H 258.4°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#3B6BB3
RGB	rgb(59, 107, 179)
HSL	hsl(216, 50%, 47%)
HSV	hsv(216, 67%, 70%)
CMYK	cmyk(67%, 40.2%, 0%, 29.8%)
CIE-LAB	lab(45.22, 7.50, -43.07)
CIE-LCH	lch(45.22, 43.71, 279.87°)
OKLab	oklab(52.98% -0.0253 -0.1227)
OKLCH	oklch(52.98% 0.125 258.4)
XYZ	xyz(15.1951, 14.6984, 44.6754)
Luminance	0.1470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6BB3 #B3833B

analogous

#3BA7B3 #3B6BB3 #473BB3

triadic

#3B6BB3 #B33B6B #6BB33B

tetradic

#3B6BB3 #B33BA7 #B3833B #3BB347

square

#3B6BB3 #B33BA7 #B3833B #3BB347

split-complementary

#3B6BB3 #B3473B #A7B33B

monochromatic

#1D3457 #2C4F85 #3B6BB3 #608BCB #8EADDA

Accessibility & contrast

On white

5.33

#3B6BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#3B6BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6BB3

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6BB3	#FFFFFF	#000000	##FFFFFF
##3B6BB3	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A71B6

Deuteranopia (green-blind)

#3866B2

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3b6bb3;
/* rgb */ color: rgb(59, 107, 179);
/* oklch */ color: oklch(53.0% 0.125 258.4);

Tailwind

colors: {
  custom: {
    50: '#7e94ca',
    500: '#3b6bb3',
    950: '#000000',
  },
}

SCSS

$custom: #3b6bb3;
$custom-light: #7e94ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6bb3",
  "rgb": {
    "r": 59,
    "g": 107,
    "b": 179
  },
  "hsl": {
    "h": 216,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52984,
    "c": 0.12525,
    "h": 258.4
  },
  "luminance": 0.147
}

Semantic roles & 50–950 ramp

primary

#3B6BB3

secondary

#C5AB85

accent

#A24EDA

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3B6BB3

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

Preview Lab → · Contrast checker → · Palette generator →