#678CB2#678CB2

#678CB2 is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.7% C 0.071 H 249.7°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#678CB2
RGB	rgb(103, 140, 178)
HSL	hsl(210, 33%, 55%)
HSV	hsv(210, 42%, 70%)
CMYK	cmyk(42.1%, 21.3%, 0%, 30.2%)
CIE-LAB	lab(56.93, -2.76, -23.99)
CIE-LCH	lch(56.93, 24.15, 263.44°)
OKLab	oklab(62.73% -0.0247 -0.0666)
OKLCH	oklch(62.73% 0.071 249.7)
XYZ	xyz(23.0048, 24.8527, 45.6957)
Luminance	0.2485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678CB2 #B28D67

analogous

#67B1B2 #678CB2 #6767B2

triadic

#678CB2 #B2678C #8CB267

tetradic

#678CB2 #B267B1 #B28D67 #67B267

square

#678CB2 #B267B1 #B28D67 #67B267

split-complementary

#678CB2 #B26767 #B1B267

monochromatic

#354F69 #4A6D92 #678CB2 #90ABC7 #B8C9DB

Accessibility & contrast

On white

3.52

#678CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#678CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CB2

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678CB2	#FFFFFF	#000000	##000000
##678CB2	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8DB4

Deuteranopia (green-blind)

#7485B1

Tritanopia (blue-blind)

#4B9599

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #678cb2;
/* rgb */ color: rgb(103, 140, 178);
/* oklch */ color: oklch(62.7% 0.071 249.7);

Tailwind

colors: {
  custom: {
    50: '#95adc9',
    500: '#678cb2',
    950: '#000000',
  },
}

SCSS

$custom: #678cb2;
$custom-light: #95adc9;
$custom-dark: #000000;

JSON

{
  "hex": "#678cb2",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 178
  },
  "hsl": {
    "h": 210.4,
    "s": 32.751,
    "l": 55.098
  },
  "oklch": {
    "l": 0.62734,
    "c": 0.07099,
    "h": 249.7
  },
  "luminance": 0.24854
}

Semantic roles & 50–950 ramp

primary

#678CB2

secondary

#CABBAB

accent

#955FC9

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #678CB2

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

Preview Lab → · Contrast checker → · Palette generator →