#678DB2#678DB2

#678DB2 is a light, moderate cyan. Relative luminance 0.251; OKLCH L 63.0% C 0.070 H 248.3°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#678DB2
RGB	rgb(103, 141, 178)
HSL	hsl(210, 33%, 55%)
HSV	hsv(210, 42%, 70%)
CMYK	cmyk(42.1%, 20.8%, 0%, 30.2%)
CIE-LAB	lab(57.22, -3.33, -23.56)
CIE-LCH	lch(57.22, 23.79, 261.95°)
OKLab	oklab(62.96% -0.0259 -0.0653)
OKLCH	oklch(62.96% 0.07 248.3)
XYZ	xyz(23.1516, 25.1463, 45.7446)
Luminance	0.2515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678DB2 #B28C67

analogous

#67B2B1 #678DB2 #6767B2

triadic

#678DB2 #B2678D #8DB267

tetradic

#678DB2 #B167B2 #B28C67 #67B267

square

#678DB2 #B167B2 #B28C67 #67B267

split-complementary

#678DB2 #B26767 #B2B167

monochromatic

#355069 #4A6E92 #678DB2 #90ABC7 #B8CADB

Accessibility & contrast

On white

3.48

#678DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#678DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678DB2

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678DB2	#FFFFFF	#000000	##000000
##678DB2	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB4

Deuteranopia (green-blind)

#7586B1

Tritanopia (blue-blind)

#4B9699

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #678db2;
/* rgb */ color: rgb(103, 141, 178);
/* oklch */ color: oklch(63.0% 0.070 248.3);

Tailwind

colors: {
  custom: {
    50: '#95aec9',
    500: '#678db2',
    950: '#000000',
  },
}

SCSS

$custom: #678db2;
$custom-light: #95aec9;
$custom-dark: #000000;

JSON

{
  "hex": "#678db2",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 178
  },
  "hsl": {
    "h": 209.6,
    "s": 32.751,
    "l": 55.098
  },
  "oklch": {
    "l": 0.62959,
    "c": 0.07029,
    "h": 248.3
  },
  "luminance": 0.25148
}

Semantic roles & 50–950 ramp

primary

#678DB2

secondary

#CABAAB

accent

#935FC9

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #678DB2

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

Preview Lab → · Contrast checker → · Palette generator →