#688ECF#688ECF

#688ECF is a light, moderate blue. Relative luminance 0.268; OKLCH L 64.6% C 0.107 H 260.7°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#688ECF
RGB	rgb(104, 142, 207)
HSL	hsl(218, 52%, 61%)
HSV	hsv(218, 50%, 81%)
CMYK	cmyk(49.8%, 31.4%, 0%, 18.8%)
CIE-LAB	lab(58.78, 4.88, -37.54)
CIE-LCH	lch(58.78, 37.85, 277.42°)
OKLab	oklab(64.6% -0.0172 -0.1055)
OKLCH	oklch(64.6% 0.107 260.7)
XYZ	xyz(26.6406, 26.7922, 62.7870)
Luminance	0.2679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688ECF #CFA968

analogous

#68C1CF #688ECF #7568CF

triadic

#688ECF #CF688E #8ECF68

tetradic

#688ECF #CF68C1 #CFA968 #68CF75

square

#688ECF #CF68C1 #CFA968 #68CF75

split-complementary

#688ECF #CF7568 #C1CF68

monochromatic

#2D528F #3C6CBE #688ECF #96B1DE #C5D4ED

Accessibility & contrast

On white

3.30

#688ECF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#688ECF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688ECF

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688ECF	#FFFFFF	#000000	##000000
##688ECF	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7593D2

Deuteranopia (green-blind)

#6989CE

Tritanopia (blue-blind)

#399CA5

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #688ecf;
/* rgb */ color: rgb(104, 142, 207);
/* oklch */ color: oklch(64.6% 0.107 260.7);

Tailwind

colors: {
  custom: {
    50: '#99aede',
    500: '#688ecf',
    950: '#000000',
  },
}

SCSS

$custom: #688ecf;
$custom-light: #99aede;
$custom-dark: #000000;

JSON

{
  "hex": "#688ecf",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 207
  },
  "hsl": {
    "h": 217.864,
    "s": 51.759,
    "l": 60.98
  },
  "oklch": {
    "l": 0.64603,
    "c": 0.10688,
    "h": 260.7
  },
  "luminance": 0.26794
}

Semantic roles & 50–950 ramp

primary

#688ECF

secondary

#DDCEB6

accent

#8726BF

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688ECF

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

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