#678BCD#678BCD

#678BCD is a light, moderate blue. Relative luminance 0.258; OKLCH L 63.8% C 0.108 H 261.9°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#678BCD
RGB	rgb(103, 139, 205)
HSL	hsl(219, 50%, 60%)
HSV	hsv(219, 50%, 80%)
CMYK	cmyk(49.8%, 32.2%, 0%, 19.6%)
CIE-LAB	lab(57.80, 5.80, -37.95)
CIE-LCH	lch(57.80, 38.39, 278.69°)
OKLab	oklab(63.8% -0.0151 -0.1067)
OKLCH	oklch(63.8% 0.108 261.9)
XYZ	xyz(25.8419, 25.7548, 61.3552)
Luminance	0.2576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678BCD #CDA967

analogous

#67BECD #678BCD #7667CD

triadic

#678BCD #CD678B #8BCD67

tetradic

#678BCD #CD67BE #CDA967 #67CD76

square

#678BCD #CD67BE #CDA967 #67CD76

split-complementary

#678BCD #CD7667 #BECD67

monochromatic

#2E4F8C #3D69BA #678BCD #95AEDC #C3D1EB

Accessibility & contrast

On white

3.41

#678BCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#678BCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BCD

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678BCD	#FFFFFF	#000000	##000000
##678BCD	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7290D0

Deuteranopia (green-blind)

#6687CC

Tritanopia (blue-blind)

#3999A3

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #678bcd;
/* rgb */ color: rgb(103, 139, 205);
/* oklch */ color: oklch(63.8% 0.108 261.9);

Tailwind

colors: {
  custom: {
    50: '#98acdc',
    500: '#678bcd',
    950: '#000000',
  },
}

SCSS

$custom: #678bcd;
$custom-light: #98acdc;
$custom-dark: #000000;

JSON

{
  "hex": "#678bcd",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 205
  },
  "hsl": {
    "h": 218.824,
    "s": 50.495,
    "l": 60.392
  },
  "oklch": {
    "l": 0.63796,
    "c": 0.10777,
    "h": 261.9
  },
  "luminance": 0.25757
}

Semantic roles & 50–950 ramp

primary

#678BCD

secondary

#DBCEB4

accent

#8928BE

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #678BCD

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

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