#685BB8#685BB8

#685BB8 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.9% C 0.141 H 286.9°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#685BB8
RGB	rgb(104, 91, 184)
HSL	hsl(248, 40%, 54%)
HSV	hsv(248, 51%, 72%)
CMYK	cmyk(43.5%, 50.5%, 0%, 27.8%)
CIE-LAB	lab(44.07, 28.75, -47.65)
CIE-LCH	lch(44.07, 55.65, 301.10°)
OKLab	oklab(52.94% 0.0412 -0.1353)
OKLCH	oklch(52.94% 0.141 286.9)
XYZ	xyz(18.0993, 13.8852, 47.0646)
Luminance	0.1389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#685BB8 #ABB85B

analogous

#5B7DB8 #685BB8 #975BB8

triadic

#685BB8 #B8685B #5BB868

tetradic

#685BB8 #B85B7D #ABB85B #5BB897

square

#685BB8 #B85B7D #ABB85B #5BB897

split-complementary

#685BB8 #B8975B #7DB85B

monochromatic

#372E6A #4C4195 #685BB8 #8F86CA #B7B0DD

Accessibility & contrast

On white

5.56

#685BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#685BB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #685BB8

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##685BB8	#FFFFFF	#000000	##FFFFFF
##685BB8	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336BBB

Deuteranopia (green-blind)

#3266B6

Tritanopia (blue-blind)

#506E81

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #685bb8;
/* rgb */ color: rgb(104, 91, 184);
/* oklch */ color: oklch(52.9% 0.141 286.9);

Tailwind

colors: {
  custom: {
    50: '#9889ce',
    500: '#685bb8',
    950: '#000000',
  },
}

SCSS

$custom: #685bb8;
$custom-light: #9889ce;
$custom-dark: #000000;

JSON

{
  "hex": "#685bb8",
  "rgb": {
    "r": 104,
    "g": 91,
    "b": 184
  },
  "hsl": {
    "h": 248.387,
    "s": 39.574,
    "l": 53.922
  },
  "oklch": {
    "l": 0.52942,
    "c": 0.14141,
    "h": 286.9
  },
  "luminance": 0.13886
}

Semantic roles & 50–950 ramp

primary

#685BB8

secondary

#C6CBA4

accent

#CF58BF

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0B14

muted

#7E7C82

Preview Lab

Preview with #685BB8

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

Preview Lab → · Contrast checker → · Palette generator →