#686CEE#686CEE

#686CEE is a mid, vivid blue. Relative luminance 0.198; OKLCH L 59.7% C 0.192 H 277.6°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#686CEE
RGB	rgb(104, 108, 238)
HSL	hsl(238, 80%, 67%)
HSV	hsv(238, 56%, 93%)
CMYK	cmyk(56.3%, 54.6%, 0%, 6.7%)
CIE-LAB	lab(51.66, 35.02, -66.28)
CIE-LCH	lch(51.66, 74.96, 297.85°)
OKLab	oklab(59.72% 0.0252 -0.1899)
OKLCH	oklch(59.72% 0.192 277.6)
XYZ	xyz(26.4992, 19.8394, 83.3053)
Luminance	0.1984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686CEE #EEEA68

analogous

#68AFEE #686CEE #A768EE

triadic

#686CEE #EE686C #6CEE68

tetradic

#686CEE #EE68AF #EEEA68 #68EEA7

square

#686CEE #EE68AF #EEEA68 #68EEA7

split-complementary

#686CEE #EEA768 #AFEE68

monochromatic

#161BC5 #3136E8 #686CEE #9FA2F4 #D6D7FA

Accessibility & contrast

On white

4.23

#686CEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#686CEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #686CEE

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686CEE	#FFFFFF	#000000	##000000
##686CEE	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C81F2

Deuteranopia (green-blind)

#0076EB

Tritanopia (blue-blind)

#198AA3

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #686cee;
/* rgb */ color: rgb(104, 108, 238);
/* oklch */ color: oklch(59.7% 0.192 277.6);

Tailwind

colors: {
  custom: {
    50: '#9e96f4',
    500: '#686cee',
    950: '#000000',
  },
}

SCSS

$custom: #686cee;
$custom-light: #9e96f4;
$custom-dark: #000000;

JSON

{
  "hex": "#686cee",
  "rgb": {
    "r": 104,
    "g": 108,
    "b": 238
  },
  "hsl": {
    "h": 238.209,
    "s": 79.762,
    "l": 67.059
  },
  "oklch": {
    "l": 0.59716,
    "c": 0.19159,
    "h": 277.6
  },
  "luminance": 0.19841
}

Semantic roles & 50–950 ramp

primary

#686CEE

secondary

#EEEDC4

accent

#D609DC

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #686CEE

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

Preview Lab → · Contrast checker → · Palette generator →