#3B6ECB#3B6ECB

#3B6ECB is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.2% C 0.155 H 261.3°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3B6ECB
RGB	rgb(59, 110, 203)
HSL	hsl(219, 58%, 51%)
HSV	hsv(219, 71%, 80%)
CMYK	cmyk(70.9%, 45.8%, 0%, 20.4%)
CIE-LAB	lab(47.48, 14.32, -53.32)
CIE-LCH	lch(47.48, 55.20, 285.03°)
OKLab	oklab(55.19% -0.0235 -0.1527)
OKLCH	oklch(55.19% 0.155 261.3)
XYZ	xyz(18.1552, 16.3915, 58.6954)
Luminance	0.1639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6ECB #CB983B

analogous

#3BB6CB #3B6ECB #503BCB

triadic

#3B6ECB #CB3B6E #6ECB3B

tetradic

#3B6ECB #CB3BB6 #CB983B #3BCB50

square

#3B6ECB #CB3BB6 #CB983B #3BCB50

split-complementary

#3B6ECB #CB503B #B6CB3B

monochromatic

#1D3A6E #2A539F #3B6ECB #6B92D8 #9CB6E5

Accessibility & contrast

On white

4.91

#3B6ECB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#3B6ECB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6ECB

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6ECB	#FFFFFF	#000000	##FFFFFF
##3B6ECB	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E78CF

Deuteranopia (green-blind)

#206AC9

Tritanopia (blue-blind)

#008492

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3b6ecb;
/* rgb */ color: rgb(59, 110, 203);
/* oklch */ color: oklch(55.2% 0.155 261.3);

Tailwind

colors: {
  custom: {
    50: '#8297db',
    500: '#3b6ecb',
    950: '#000000',
  },
}

SCSS

$custom: #3b6ecb;
$custom-light: #8297db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6ecb",
  "rgb": {
    "r": 59,
    "g": 110,
    "b": 203
  },
  "hsl": {
    "h": 218.75,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55191,
    "c": 0.15452,
    "h": 261.3
  },
  "luminance": 0.16393
}

Semantic roles & 50–950 ramp

primary

#3B6ECB

secondary

#D1BA91

accent

#AA47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6ECB

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

Preview Lab → · Contrast checker → · Palette generator →