#688BCD#688BCD

#688BCD is a light, moderate blue. Relative luminance 0.258; OKLCH L 63.9% C 0.107 H 262.4°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#688BCD
RGB	rgb(104, 139, 205)
HSL	hsl(219, 50%, 61%)
HSV	hsv(219, 49%, 80%)
CMYK	cmyk(49.3%, 32.2%, 0%, 19.6%)
CIE-LAB	lab(57.86, 6.03, -37.85)
CIE-LCH	lch(57.86, 38.33, 279.06°)
OKLab	oklab(63.86% -0.0142 -0.1064)
OKLCH	oklch(63.86% 0.107 262.4)
XYZ	xyz(25.9573, 25.8143, 61.3606)
Luminance	0.2582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BCD #CDAA68

analogous

#68BDCD #688BCD #7768CD

triadic

#688BCD #CD688B #8BCD68

tetradic

#688BCD #CD68BD #CDAA68 #68CD77

square

#688BCD #CD68BD #CDAA68 #68CD77

split-complementary

#688BCD #CD7768 #BDCD68

monochromatic

#2E4F8C #3E69BA #688BCD #96AEDC #C4D2EB

Accessibility & contrast

On white

3.41

#688BCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#688BCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BCD

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BCD	#FFFFFF	#000000	##000000
##688BCD	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7290D0

Deuteranopia (green-blind)

#6687CC

Tritanopia (blue-blind)

#3C99A3

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #688bcd;
/* rgb */ color: rgb(104, 139, 205);
/* oklch */ color: oklch(63.9% 0.107 262.4);

Tailwind

colors: {
  custom: {
    50: '#98acdc',
    500: '#688bcd',
    950: '#000000',
  },
}

SCSS

$custom: #688bcd;
$custom-light: #98acdc;
$custom-dark: #000000;

JSON

{
  "hex": "#688bcd",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 205
  },
  "hsl": {
    "h": 219.208,
    "s": 50.249,
    "l": 60.588
  },
  "oklch": {
    "l": 0.63855,
    "c": 0.10735,
    "h": 262.4
  },
  "luminance": 0.25816
}

Semantic roles & 50–950 ramp

primary

#688BCD

secondary

#DCCEB5

accent

#8A28BE

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688BCD

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

Preview Lab → · Contrast checker → · Palette generator →