#678CCF#678CCF

#678CCF is a light, moderate blue. Relative luminance 0.261; OKLCH L 64.1% C 0.109 H 261.7°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#678CCF
RGB	rgb(103, 140, 207)
HSL	hsl(219, 52%, 61%)
HSV	hsv(219, 50%, 81%)
CMYK	cmyk(50.2%, 32.4%, 0%, 18.8%)
CIE-LAB	lab(58.17, 5.82, -38.49)
CIE-LCH	lch(58.17, 38.93, 278.60°)
OKLab	oklab(64.11% -0.0158 -0.1083)
OKLCH	oklch(64.11% 0.109 261.7)
XYZ	xyz(26.2303, 26.1429, 62.6833)
Luminance	0.2615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678CCF #CFAA67

analogous

#67C0CF #678CCF #7667CF

triadic

#678CCF #CF678C #8CCF67

tetradic

#678CCF #CF67C0 #CFAA67 #67CF76

square

#678CCF #CF67C0 #CFAA67 #67CF76

split-complementary

#678CCF #CF7667 #C0CF67

monochromatic

#2D508F #3C6ABD #678CCF #96AFDE #C4D2EC

Accessibility & contrast

On white

3.37

#678CCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#678CCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CCF

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678CCF	#FFFFFF	#000000	##000000
##678CCF	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7291D2

Deuteranopia (green-blind)

#6687CE

Tritanopia (blue-blind)

#379BA4

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #678ccf;
/* rgb */ color: rgb(103, 140, 207);
/* oklch */ color: oklch(64.1% 0.109 261.7);

Tailwind

colors: {
  custom: {
    50: '#98adde',
    500: '#678ccf',
    950: '#000000',
  },
}

SCSS

$custom: #678ccf;
$custom-light: #98adde;
$custom-dark: #000000;

JSON

{
  "hex": "#678ccf",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 207
  },
  "hsl": {
    "h": 218.654,
    "s": 52,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64113,
    "c": 0.10943,
    "h": 261.7
  },
  "luminance": 0.26145
}

Semantic roles & 50–950 ramp

primary

#678CCF

secondary

#DDCFB5

accent

#8926BF

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #678CCF

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

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