#678BCA#678BCA

#678BCA is a light, moderate blue. Relative luminance 0.256; OKLCH L 63.6% C 0.104 H 261.1°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#678BCA
RGB	rgb(103, 139, 202)
HSL	hsl(218, 48%, 60%)
HSV	hsv(218, 49%, 79%)
CMYK	cmyk(49%, 31.2%, 0%, 20.8%)
CIE-LAB	lab(57.67, 4.88, -36.47)
CIE-LCH	lch(57.67, 36.80, 277.63°)
OKLab	oklab(63.64% -0.016 -0.1024)
OKLCH	oklch(63.64% 0.104 261.1)
XYZ	xyz(25.4833, 25.6113, 59.4663)
Luminance	0.2561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678BCA #CAA667

analogous

#67BDCA #678BCA #7567CA

triadic

#678BCA #CA678B #8BCA67

tetradic

#678BCA #CA67BD #CAA667 #67CA75

square

#678BCA #CA67BD #CAA667 #67CA75

split-complementary

#678BCA #CA7567 #BDCA67

monochromatic

#2F4F87 #3F6AB5 #678BCA #94AEDA #C2D0EA

Accessibility & contrast

On white

3.43

#678BCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#678BCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BCA

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678BCA	#FFFFFF	#000000	##000000
##678BCA	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7390CD

Deuteranopia (green-blind)

#6886C9

Tritanopia (blue-blind)

#3C99A1

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #678bca;
/* rgb */ color: rgb(103, 139, 202);
/* oklch */ color: oklch(63.6% 0.104 261.1);

Tailwind

colors: {
  custom: {
    50: '#98acda',
    500: '#678bca',
    950: '#000000',
  },
}

SCSS

$custom: #678bca;
$custom-light: #98acda;
$custom-dark: #000000;

JSON

{
  "hex": "#678bca",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 202
  },
  "hsl": {
    "h": 218.182,
    "s": 48.293,
    "l": 59.804
  },
  "oklch": {
    "l": 0.63644,
    "c": 0.10366,
    "h": 261.1
  },
  "luminance": 0.25613
}

Semantic roles & 50–950 ramp

primary

#678BCA

secondary

#DACCB3

accent

#A650D8

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #678BCA

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

Preview Lab → · Contrast checker → · Palette generator →