#678BC3#678BC3

#678BC3 is a light, moderate blue. Relative luminance 0.253; OKLCH L 63.3% C 0.094 H 259.0°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#678BC3
RGB	rgb(103, 139, 195)
HSL	hsl(217, 43%, 58%)
HSV	hsv(217, 47%, 76%)
CMYK	cmyk(47.2%, 28.7%, 0%, 23.5%)
CIE-LAB	lab(57.35, 2.77, -33.00)
CIE-LCH	lch(57.35, 33.12, 274.81°)
OKLab	oklab(63.3% -0.018 -0.0924)
OKLCH	oklch(63.3% 0.094 259)
XYZ	xyz(24.6732, 25.2873, 55.2000)
Luminance	0.2529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678BC3 #C39F67

analogous

#67B9C3 #678BC3 #7167C3

triadic

#678BC3 #C3678B #8BC367

tetradic

#678BC3 #C367B9 #C39F67 #67C371

square

#678BC3 #C367B9 #C39F67 #67C371

split-complementary

#678BC3 #C37167 #B9C367

monochromatic

#32507E #436BAA #678BC3 #93ACD4 #BFCEE6

Accessibility & contrast

On white

3.47

#678BC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#678BC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BC3

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678BC3	#FFFFFF	#000000	##000000
##678BC3	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768FC5

Deuteranopia (green-blind)

#6B86C2

Tritanopia (blue-blind)

#41979F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #678bc3;
/* rgb */ color: rgb(103, 139, 195);
/* oklch */ color: oklch(63.3% 0.094 259.0);

Tailwind

colors: {
  custom: {
    50: '#97acd5',
    500: '#678bc3',
    950: '#000000',
  },
}

SCSS

$custom: #678bc3;
$custom-light: #97acd5;
$custom-dark: #000000;

JSON

{
  "hex": "#678bc3",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 195
  },
  "hsl": {
    "h": 216.522,
    "s": 43.396,
    "l": 58.431
  },
  "oklch": {
    "l": 0.63298,
    "c": 0.09412,
    "h": 259
  },
  "luminance": 0.25289
}

Semantic roles & 50–950 ramp

primary

#678BC3

secondary

#D5C7B1

accent

#A255D3

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #678BC3

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

Preview Lab → · Contrast checker → · Palette generator →