#687FDB#687FDB

#687FDB is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.1% C 0.141 H 271.2°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX#687FDB
RGBrgb(104, 127, 219)
HSLhsl(228, 61%, 63%)
HSVhsv(228, 53%, 86%)
CMYKcmyk(52.5%, 42%, 0%, 14.1%)
CIE-LABlab(55.31, 17.52, -49.75)
CIE-LCHlch(55.31, 52.75, 289.40°)
OKLaboklab(62.12% 0.003 -0.1412)
OKLCHoklch(62.12% 0.141 271.2)
XYZxyz(26.0803, 23.2345, 70.1145)
Luminance0.2324 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#687FDB #DBC468
analogous
#68B8DB #687FDB #8A68DB
triadic
#687FDB #DB687F #7FDB68
tetradic
#687FDB #DB68B8 #DBC468 #68DB8A
square
#687FDB #DB68B8 #DBC468 #68DB8A
split-complementary
#687FDB #DB8A68 #B8DB68
monochromatic
#273FA2 #3755CF #687FDB #99A9E7 #CBD3F3

Accessibility & contrast

On white

3.72
#687FDB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.65
#687FDB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #687FDB
5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##687FDB#FFFFFF#000000##000000
##687FDB1.003.725.655.65
#FFFFFF3.721.0021.0021.00
#0000005.6521.001.001.00
##0000005.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#598ADF
Deuteranopia (green-blind)
#4C80D9
Tritanopia (blue-blind)
#3193A2
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #687fdb;
/* rgb */ color: rgb(104, 127, 219);
/* oklch */ color: oklch(62.1% 0.141 271.2);
Tailwind
colors: {
  custom: {
    50: '#9aa3e6',
    500: '#687fdb',
    950: '#000000',
  },
}
SCSS
$custom: #687fdb;
$custom-light: #9aa3e6;
$custom-dark: #000000;
JSON
{
  "hex": "#687fdb",
  "rgb": {
    "r": 104,
    "g": 127,
    "b": 219
  },
  "hsl": {
    "h": 228,
    "s": 61.497,
    "l": 63.333
  },
  "oklch": {
    "l": 0.62116,
    "c": 0.14124,
    "h": 271.2
  },
  "luminance": 0.23236
}

Semantic roles & 50–950 ramp

primary
#687FDB
secondary
#E4DCBB
accent
#A71CC9
background
#F9FAFE
surface
#F2F3FC
border
#CCCDD5
text
#0F0F16
muted
#7E7F84

Preview Lab

Preview with #687FDB

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

Preview Lab → · Contrast checker → · Palette generator →

#687FDB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva