#3B6BB2#3B6BB2

#3B6BB2 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 52.9% C 0.124 H 258.1°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#3B6BB2
RGB	rgb(59, 107, 178)
HSL	hsl(216, 50%, 46%)
HSV	hsv(216, 67%, 70%)
CMYK	cmyk(66.9%, 39.9%, 0%, 30.2%)
CIE-LAB	lab(45.16, 7.14, -42.57)
CIE-LCH	lch(45.16, 43.17, 279.52°)
OKLab	oklab(52.92% -0.0255 -0.1212)
OKLCH	oklch(52.92% 0.124 258.1)
XYZ	xyz(15.0943, 14.6581, 44.1447)
Luminance	0.1466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6BB2 #B2823B

analogous

#3BA7B2 #3B6BB2 #463BB2

triadic

#3B6BB2 #B23B6B #6BB23B

tetradic

#3B6BB2 #B23BA7 #B2823B #3BB246

square

#3B6BB2 #B23BA7 #B2823B #3BB246

split-complementary

#3B6BB2 #B2463B #A7B23B

monochromatic

#1D3456 #2C4F84 #3B6BB2 #608BCA #8EACDA

Accessibility & contrast

On white

5.34

#3B6BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#3B6BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6BB2

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6BB2	#FFFFFF	#000000	##FFFFFF
##3B6BB2	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B71B5

Deuteranopia (green-blind)

#3966B1

Tritanopia (blue-blind)

#007B86

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3b6bb2;
/* rgb */ color: rgb(59, 107, 178);
/* oklch */ color: oklch(52.9% 0.124 258.1);

Tailwind

colors: {
  custom: {
    50: '#7e94c9',
    500: '#3b6bb2',
    950: '#000000',
  },
}

SCSS

$custom: #3b6bb2;
$custom-light: #7e94c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6bb2",
  "rgb": {
    "r": 59,
    "g": 107,
    "b": 178
  },
  "hsl": {
    "h": 215.798,
    "s": 50.211,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52922,
    "c": 0.12388,
    "h": 258.1
  },
  "luminance": 0.1466
}

Semantic roles & 50–950 ramp

primary

#3B6BB2

secondary

#C4AB85

accent

#A14EDA

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3B6BB2

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

Preview Lab → · Contrast checker → · Palette generator →