#685BB5#685BB5

#685BB5 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.7% C 0.137 H 287.4°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#685BB5
RGB	rgb(104, 91, 181)
HSL	hsl(249, 38%, 53%)
HSV	hsv(249, 50%, 71%)
CMYK	cmyk(42.5%, 49.7%, 0%, 29%)
CIE-LAB	lab(43.89, 27.86, -46.19)
CIE-LCH	lch(43.89, 53.94, 301.10°)
OKLab	oklab(52.75% 0.0409 -0.131)
OKLCH	oklch(52.75% 0.137 287.4)
XYZ	xyz(17.7881, 13.7608, 45.4260)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#685BB5 #A8B55B

analogous

#5B7BB5 #685BB5 #955BB5

triadic

#685BB5 #B5685B #5BB568

tetradic

#685BB5 #B55B7B #A8B55B #5BB595

square

#685BB5 #B55B7B #A8B55B #5BB595

split-complementary

#685BB5 #B5955B #7BB55B

monochromatic

#372F67 #4D4291 #685BB5 #8F85C8 #B6AFDB

Accessibility & contrast

On white

5.60

#685BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#685BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #685BB5

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##685BB5	#FFFFFF	#000000	##FFFFFF
##685BB5	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366AB8

Deuteranopia (green-blind)

#3565B3

Tritanopia (blue-blind)

#516E7F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #685bb5;
/* rgb */ color: rgb(104, 91, 181);
/* oklch */ color: oklch(52.7% 0.137 287.4);

Tailwind

colors: {
  custom: {
    50: '#9789cc',
    500: '#685bb5',
    950: '#000000',
  },
}

SCSS

$custom: #685bb5;
$custom-light: #9789cc;
$custom-dark: #000000;

JSON

{
  "hex": "#685bb5",
  "rgb": {
    "r": 104,
    "g": 91,
    "b": 181
  },
  "hsl": {
    "h": 248.667,
    "s": 37.815,
    "l": 53.333
  },
  "oklch": {
    "l": 0.52749,
    "c": 0.13723,
    "h": 287.4
  },
  "luminance": 0.13761
}

Semantic roles & 50–950 ramp

primary

#685BB5

secondary

#C4C9A3

accent

#CE5ABD

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0B13

muted

#7E7C82

Preview Lab

Preview with #685BB5

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

Preview Lab → · Contrast checker → · Palette generator →