#688FE0#688FE0

#688FE0 is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.7% C 0.129 H 263.7°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#688FE0
RGB	rgb(104, 143, 224)
HSL	hsl(221, 66%, 64%)
HSV	hsv(221, 54%, 88%)
CMYK	cmyk(53.6%, 36.2%, 0%, 12.2%)
CIE-LAB	lab(59.86, 9.55, -45.35)
CIE-LCH	lch(59.86, 46.34, 281.90°)
OKLab	oklab(65.7% -0.0141 -0.1282)
OKLCH	oklch(65.7% 0.129 263.7)
XYZ	xyz(28.9814, 27.9676, 74.3776)
Luminance	0.2797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FE0 #E0B968

analogous

#68CBE0 #688FE0 #7D68E0

triadic

#688FE0 #E0688F #8FE068

tetradic

#688FE0 #E068CB #E0B968 #68E07D

square

#688FE0 #E068CB #E0B968 #68E07D

split-complementary

#688FE0 #E07D68 #CBE068

monochromatic

#234FAB #3569D6 #688FE0 #9BB5EA #CEDAF5

Accessibility & contrast

On white

3.18

#688FE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#688FE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FE0

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FE0	#FFFFFF	#000000	##000000
##688FE0	1.00	3.18	6.59	6.59
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F96E3

Deuteranopia (green-blind)

#608BDE

Tritanopia (blue-blind)

#26A1AD

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #688fe0;
/* rgb */ color: rgb(104, 143, 224);
/* oklch */ color: oklch(65.7% 0.129 263.7);

Tailwind

colors: {
  custom: {
    50: '#9bafea',
    500: '#688fe0',
    950: '#000000',
  },
}

SCSS

$custom: #688fe0;
$custom-light: #9bafea;
$custom-dark: #000000;

JSON

{
  "hex": "#688fe0",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 224
  },
  "hsl": {
    "h": 220.5,
    "s": 65.934,
    "l": 64.314
  },
  "oklch": {
    "l": 0.65704,
    "c": 0.12896,
    "h": 263.7
  },
  "luminance": 0.2797
}

Semantic roles & 50–950 ramp

primary

#688FE0

secondary

#E7D9BD

accent

#9318CE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688FE0

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

Preview Lab → · Contrast checker → · Palette generator →