#3B6DCB#3B6DCB

#3B6DCB is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.0% C 0.156 H 261.7°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#3B6DCB
RGB	rgb(59, 109, 203)
HSL	hsl(219, 58%, 51%)
HSV	hsv(219, 71%, 80%)
CMYK	cmyk(70.9%, 46.3%, 0%, 20.4%)
CIE-LAB	lab(47.21, 14.95, -53.76)
CIE-LCH	lch(47.21, 55.80, 285.54°)
OKLab	oklab(54.98% -0.0226 -0.1541)
OKLCH	oklch(54.98% 0.156 261.7)
XYZ	xyz(18.0479, 16.1770, 58.6596)
Luminance	0.1618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6DCB #CB993B

analogous

#3BB5CB #3B6DCB #513BCB

triadic

#3B6DCB #CB3B6D #6DCB3B

tetradic

#3B6DCB #CB3BB5 #CB993B #3BCB51

square

#3B6DCB #CB3BB5 #CB993B #3BCB51

split-complementary

#3B6DCB #CB513B #B5CB3B

monochromatic

#1D396E #2A539F #3B6DCB #6B91D8 #9CB5E5

Accessibility & contrast

On white

4.96

#3B6DCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#3B6DCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6DCB

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6DCB	#FFFFFF	#000000	##FFFFFF
##3B6DCB	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C77CF

Deuteranopia (green-blind)

#1C6AC9

Tritanopia (blue-blind)

#008392

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3b6dcb;
/* rgb */ color: rgb(59, 109, 203);
/* oklch */ color: oklch(55.0% 0.156 261.7);

Tailwind

colors: {
  custom: {
    50: '#8296db',
    500: '#3b6dcb',
    950: '#000000',
  },
}

SCSS

$custom: #3b6dcb;
$custom-light: #8296db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6dcb",
  "rgb": {
    "r": 59,
    "g": 109,
    "b": 203
  },
  "hsl": {
    "h": 219.167,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.54978,
    "c": 0.15571,
    "h": 261.7
  },
  "luminance": 0.16179
}

Semantic roles & 50–950 ramp

primary

#3B6DCB

secondary

#D1BB91

accent

#AC47E1

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6DCB

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

Preview Lab → · Contrast checker → · Palette generator →