#678BDA#678BDA

#678BDA is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.5% C 0.126 H 264.6°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX#678BDA
RGBrgb(103, 139, 218)
HSLhsl(221, 61%, 63%)
HSVhsv(221, 53%, 85%)
CMYKcmyk(52.8%, 36.2%, 0%, 14.5%)
CIE-LABlab(58.42, 9.82, -44.27)
CIE-LCHlch(58.42, 45.35, 282.50°)
OKLaboklab(64.48% -0.0119 -0.1251)
OKLCHoklch(64.48% 0.126 264.6)
XYZxyz(27.4768, 26.4088, 69.9656)
Luminance0.2641 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678BDA #DAB667
analogous
#67C5DA #678BDA #7C67DA
triadic
#678BDA #DA678B #8BDA67
tetradic
#678BDA #DA67C5 #DAB667 #67DA7C
square
#678BDA #DA67C5 #DAB667 #67DA7C
split-complementary
#678BDA #DA7C67 #C5DA67
monochromatic
#274DA0 #3665CE #678BDA #98B1E6 #C9D6F2

Accessibility & contrast

On white

3.34
#678BDA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.28
#678BDA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BDA
6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678BDA#FFFFFF#000000##000000
##678BDA1.003.346.286.28
#FFFFFF3.341.0021.0021.00
#0000006.2821.001.001.00
##0000006.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C92DD
Deuteranopia (green-blind)
#5E88D8
Tritanopia (blue-blind)
#2C9CA8
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #678bda;
/* rgb */ color: rgb(103, 139, 218);
/* oklch */ color: oklch(64.5% 0.126 264.6);
Tailwind
colors: {
  custom: {
    50: '#99ace6',
    500: '#678bda',
    950: '#000000',
  },
}
SCSS
$custom: #678bda;
$custom-light: #99ace6;
$custom-dark: #000000;
JSON
{
  "hex": "#678bda",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 218
  },
  "hsl": {
    "h": 221.217,
    "s": 60.847,
    "l": 62.941
  },
  "oklch": {
    "l": 0.6448,
    "c": 0.12566,
    "h": 264.6
  },
  "luminance": 0.26411
}

Semantic roles & 50–950 ramp

primary
#678BDA
secondary
#E3D6BA
accent
#931DC9
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #678BDA

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

Preview Lab → · Contrast checker → · Palette generator →

#678BDA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva