#3B6FC5#3B6FC5

#3B6FC5 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.0% C 0.145 H 259.9°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3B6FC5
RGB	rgb(59, 111, 197)
HSL	hsl(217, 54%, 50%)
HSV	hsv(217, 70%, 77%)
CMYK	cmyk(70.1%, 43.7%, 0%, 22.7%)
CIE-LAB	lab(47.40, 11.50, -50.00)
CIE-LCH	lch(47.40, 51.31, 282.95°)
OKLab	oklab(55.01% -0.0254 -0.143)
OKLCH	oklch(55.01% 0.145 259.9)
XYZ	xyz(17.5625, 16.3281, 55.0386)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6FC5 #C5913B

analogous

#3BB4C5 #3B6FC5 #4C3BC5

triadic

#3B6FC5 #C53B6F #6FC53B

tetradic

#3B6FC5 #C53BB4 #C5913B #3BC54C

square

#3B6FC5 #C53BB4 #C5913B #3BC54C

split-complementary

#3B6FC5 #C54C3B #B4C53B

monochromatic

#1F3A67 #2C5496 #3B6FC5 #6A92D3 #99B4E1

Accessibility & contrast

On white

4.92

#3B6FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3B6FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6FC5

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6FC5	#FFFFFF	#000000	##FFFFFF
##3B6FC5	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4577C8

Deuteranopia (green-blind)

#2C6BC3

Tritanopia (blue-blind)

#008390

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3b6fc5;
/* rgb */ color: rgb(59, 111, 197);
/* oklch */ color: oklch(55.0% 0.145 259.9);

Tailwind

colors: {
  custom: {
    50: '#8197d7',
    500: '#3b6fc5',
    950: '#000000',
  },
}

SCSS

$custom: #3b6fc5;
$custom-light: #8197d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6fc5",
  "rgb": {
    "r": 59,
    "g": 111,
    "b": 197
  },
  "hsl": {
    "h": 217.391,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55011,
    "c": 0.14523,
    "h": 259.9
  },
  "luminance": 0.1633
}

Semantic roles & 50–950 ramp

primary

#3B6FC5

secondary

#CDB58F

accent

#A64ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3B6FC5

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

Preview Lab → · Contrast checker → · Palette generator →