#687FDD#687FDD

#687FDD is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.2% C 0.144 H 271.3°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#687FDD
RGB	rgb(104, 127, 221)
HSL	hsl(228, 63%, 64%)
HSV	hsv(228, 53%, 87%)
CMYK	cmyk(52.9%, 42.5%, 0%, 13.3%)
CIE-LAB	lab(55.42, 18.15, -50.71)
CIE-LCH	lch(55.42, 53.86, 289.70°)
OKLab	oklab(62.23% 0.0033 -0.144)
OKLCH	oklch(62.23% 0.144 271.3)
XYZ	xyz(26.3452, 23.3404, 71.5095)
Luminance	0.2334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#687FDD #DDC668

analogous

#68B9DD #687FDD #8B68DD

triadic

#687FDD #DD687F #7FDD68

tetradic

#687FDD #DD68B9 #DDC668 #68DD8B

square

#687FDD #DD68B9 #DDC668 #68DD8B

split-complementary

#687FDD #DD8B68 #B9DD68

monochromatic

#253EA5 #3655D2 #687FDD #9AA9E8 #CCD4F3

Accessibility & contrast

On white

3.70

#687FDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#687FDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #687FDD

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##687FDD	#FFFFFF	#000000	##000000
##687FDD	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#578AE1

Deuteranopia (green-blind)

#4A80DB

Tritanopia (blue-blind)

#2F93A3

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #687fdd;
/* rgb */ color: rgb(104, 127, 221);
/* oklch */ color: oklch(62.2% 0.144 271.3);

Tailwind

colors: {
  custom: {
    50: '#9ba3e8',
    500: '#687fdd',
    950: '#000000',
  },
}

SCSS

$custom: #687fdd;
$custom-light: #9ba3e8;
$custom-dark: #000000;

JSON

{
  "hex": "#687fdd",
  "rgb": {
    "r": 104,
    "g": 127,
    "b": 221
  },
  "hsl": {
    "h": 228.205,
    "s": 63.243,
    "l": 63.725
  },
  "oklch": {
    "l": 0.62234,
    "c": 0.14403,
    "h": 271.3
  },
  "luminance": 0.23342
}

Semantic roles & 50–950 ramp

primary

#687FDD

secondary

#E5DDBC

accent

#A81ACB

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0F0F16

muted

#7E7F84

Preview Lab

Preview with #687FDD

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

Preview Lab → · Contrast checker → · Palette generator →