#3B6CB2#3B6CB2

#3B6CB2 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.1% C 0.123 H 257.5°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3B6CB2
RGB	rgb(59, 108, 178)
HSL	hsl(215, 50%, 46%)
HSV	hsv(215, 67%, 70%)
CMYK	cmyk(66.9%, 39.3%, 0%, 30.2%)
CIE-LAB	lab(45.45, 6.51, -42.11)
CIE-LCH	lch(45.45, 42.61, 278.79°)
OKLab	oklab(53.15% -0.0265 -0.1199)
OKLCH	oklch(53.15% 0.123 257.5)
XYZ	xyz(15.1992, 14.8678, 44.1796)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6CB2 #B2813B

analogous

#3BA8B2 #3B6CB2 #463BB2

triadic

#3B6CB2 #B23B6C #6CB23B

tetradic

#3B6CB2 #B23BA8 #B2813B #3BB246

square

#3B6CB2 #B23BA8 #B2813B #3BB246

split-complementary

#3B6CB2 #B2463B #A8B23B

monochromatic

#1D3456 #2C5084 #3B6CB2 #608CCA #8EADDA

Accessibility & contrast

On white

5.28

#3B6CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#3B6CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6CB2

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6CB2	#FFFFFF	#000000	##FFFFFF
##3B6CB2	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B5

Deuteranopia (green-blind)

#3B66B1

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3b6cb2;
/* rgb */ color: rgb(59, 108, 178);
/* oklch */ color: oklch(53.1% 0.123 257.5);

Tailwind

colors: {
  custom: {
    50: '#7d95c9',
    500: '#3b6cb2',
    950: '#000000',
  },
}

SCSS

$custom: #3b6cb2;
$custom-light: #7d95c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6cb2",
  "rgb": {
    "r": 59,
    "g": 108,
    "b": 178
  },
  "hsl": {
    "h": 215.294,
    "s": 50.211,
    "l": 46.471
  },
  "oklch": {
    "l": 0.53148,
    "c": 0.12276,
    "h": 257.5
  },
  "luminance": 0.14869
}

Semantic roles & 50–950 ramp

primary

#3B6CB2

secondary

#C4AA85

accent

#A04EDA

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3B6CB2

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

Preview Lab → · Contrast checker → · Palette generator →