#686FCB#686FCB

#686FCB is a mid, vivid blue. Relative luminance 0.186; OKLCH L 58.0% C 0.140 H 277.8°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#686FCB
RGB	rgb(104, 111, 203)
HSL	hsl(236, 49%, 60%)
HSV	hsv(236, 49%, 80%)
CMYK	cmyk(48.8%, 45.3%, 0%, 20.4%)
CIE-LAB	lab(50.24, 22.25, -48.76)
CIE-LCH	lch(50.24, 53.60, 294.53°)
OKLab	oklab(57.96% 0.019 -0.1384)
OKLCH	oklch(57.96% 0.14 277.8)
XYZ	xyz(22.1695, 18.6225, 58.9147)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686FCB #CBC468

analogous

#68A0CB #686FCB #9368CB

triadic

#686FCB #CB686F #6FCB68

tetradic

#686FCB #CB68A0 #CBC468 #68CB93

square

#686FCB #CB68A0 #CBC468 #68CB93

split-complementary

#686FCB #CB9368 #A0CB68

monochromatic

#2F3689 #3F47B7 #686FCB #969ADB #C3C6EA

Accessibility & contrast

On white

4.44

#686FCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#686FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #686FCB

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686FCB	#FFFFFF	#000000	##000000
##686FCB	1.00	4.44	4.72	4.72
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497CCE

Deuteranopia (green-blind)

#4074C9

Tritanopia (blue-blind)

#428393

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #686fcb;
/* rgb */ color: rgb(104, 111, 203);
/* oklch */ color: oklch(58.0% 0.140 277.8);

Tailwind

colors: {
  custom: {
    50: '#9998db',
    500: '#686fcb',
    950: '#000000',
  },
}

SCSS

$custom: #686fcb;
$custom-light: #9998db;
$custom-dark: #000000;

JSON

{
  "hex": "#686fcb",
  "rgb": {
    "r": 104,
    "g": 111,
    "b": 203
  },
  "hsl": {
    "h": 235.758,
    "s": 48.768,
    "l": 60.196
  },
  "oklch": {
    "l": 0.5796,
    "c": 0.13972,
    "h": 277.8
  },
  "luminance": 0.18624
}

Semantic roles & 50–950 ramp

primary

#686FCB

secondary

#DAD8B4

accent

#B229BC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #686FCB

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

Preview Lab → · Contrast checker → · Palette generator →