#678BD8#678BD8

#678BD8 is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.4% C 0.123 H 264.2°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#678BD8
RGB	rgb(103, 139, 216)
HSL	hsl(221, 59%, 63%)
HSV	hsv(221, 52%, 85%)
CMYK	cmyk(52.3%, 35.6%, 0%, 15.3%)
CIE-LAB	lab(58.33, 9.19, -43.30)
CIE-LCH	lch(58.33, 44.27, 281.99°)
OKLab	oklab(64.37% -0.0124 -0.1223)
OKLCH	oklch(64.37% 0.123 264.2)
XYZ	xyz(27.2167, 26.3047, 68.5956)
Luminance	0.2631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678BD8 #D8B467

analogous

#67C3D8 #678BD8 #7C67D8

triadic

#678BD8 #D8678B #8BD867

tetradic

#678BD8 #D867C3 #D8B467 #67D87C

square

#678BD8 #D867C3 #D8B467 #67D87C

split-complementary

#678BD8 #D87C67 #C3D867

monochromatic

#284D9C #3666CC #678BD8 #98B0E4 #C8D5F1

Accessibility & contrast

On white

3.35

#678BD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#678BD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BD8

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678BD8	#FFFFFF	#000000	##000000
##678BD8	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D92DB

Deuteranopia (green-blind)

#5F87D6

Tritanopia (blue-blind)

#2E9CA7

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #678bd8;
/* rgb */ color: rgb(103, 139, 216);
/* oklch */ color: oklch(64.4% 0.123 264.2);

Tailwind

colors: {
  custom: {
    50: '#99ace4',
    500: '#678bd8',
    950: '#000000',
  },
}

SCSS

$custom: #678bd8;
$custom-light: #99ace4;
$custom-dark: #000000;

JSON

{
  "hex": "#678bd8",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 216
  },
  "hsl": {
    "h": 220.885,
    "s": 59.162,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64372,
    "c": 0.1229,
    "h": 264.2
  },
  "luminance": 0.26307
}

Semantic roles & 50–950 ramp

primary

#678BD8

secondary

#E2D5B9

accent

#911FC7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1015

muted

#7E7F84

Preview Lab

Preview with #678BD8

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

Preview Lab → · Contrast checker → · Palette generator →