#3B6ECF#3B6ECF

#3B6ECF is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.5% C 0.160 H 261.8°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3B6ECF
RGB	rgb(59, 110, 207)
HSL	hsl(219, 61%, 52%)
HSV	hsv(219, 71%, 81%)
CMYK	cmyk(71.5%, 46.9%, 0%, 18.8%)
CIE-LAB	lab(47.73, 15.78, -55.21)
CIE-LCH	lch(47.73, 57.42, 285.95°)
OKLab	oklab(55.46% -0.0228 -0.1583)
OKLCH	oklch(55.46% 0.16 261.8)
XYZ	xyz(18.6380, 16.5847, 61.2383)
Luminance	0.1659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6ECF #CF9C3B

analogous

#3BB8CF #3B6ECF #523BCF

triadic

#3B6ECF #CF3B6E #6ECF3B

tetradic

#3B6ECF #CF3BB8 #CF9C3B #3BCF52

square

#3B6ECF #CF3BB8 #CF9C3B #3BCF52

split-complementary

#3B6ECF #CF523B #B8CF3B

monochromatic

#1C3A73 #2853A5 #3B6ECF #6C92DB #9DB7E7

Accessibility & contrast

On white

4.86

#3B6ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3B6ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6ECF

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6ECF	#FFFFFF	#000000	##FFFFFF
##3B6ECF	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A79D3

Deuteranopia (green-blind)

#166BCD

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3b6ecf;
/* rgb */ color: rgb(59, 110, 207);
/* oklch */ color: oklch(55.5% 0.160 261.8);

Tailwind

colors: {
  custom: {
    50: '#8397de',
    500: '#3b6ecf',
    950: '#000000',
  },
}

SCSS

$custom: #3b6ecf;
$custom-light: #8397de;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6ecf",
  "rgb": {
    "r": 59,
    "g": 110,
    "b": 207
  },
  "hsl": {
    "h": 219.324,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55462,
    "c": 0.15993,
    "h": 261.8
  },
  "luminance": 0.16587
}

Semantic roles & 50–950 ramp

primary

#3B6ECF

secondary

#D3BD93

accent

#AD44E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6ECF

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

Preview Lab → · Contrast checker → · Palette generator →