#678CDA#678CDA

#678CDA is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.7% C 0.125 H 264.0°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#678CDA
RGB	rgb(103, 140, 218)
HSL	hsl(221, 61%, 63%)
HSV	hsv(221, 53%, 85%)
CMYK	cmyk(52.8%, 35.8%, 0%, 14.5%)
CIE-LAB	lab(58.70, 9.23, -43.84)
CIE-LCH	lch(58.70, 44.80, 281.89°)
OKLab	oklab(64.69% -0.013 -0.1238)
OKLCH	oklch(64.69% 0.125 264)
XYZ	xyz(27.6222, 26.6997, 70.0141)
Luminance	0.2670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678CDA #DAB567

analogous

#67C5DA #678CDA #7B67DA

triadic

#678CDA #DA678C #8CDA67

tetradic

#678CDA #DA67C5 #DAB567 #67DA7B

square

#678CDA #DA67C5 #DAB567 #67DA7B

split-complementary

#678CDA #DA7B67 #C5DA67

monochromatic

#274EA0 #3667CE #678CDA #98B1E6 #C9D6F2

Accessibility & contrast

On white

3.31

#678CDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#678CDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CDA

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678CDA	#FFFFFF	#000000	##000000
##678CDA	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D93DD

Deuteranopia (green-blind)

#5F88D8

Tritanopia (blue-blind)

#2C9DA9

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #678cda;
/* rgb */ color: rgb(103, 140, 218);
/* oklch */ color: oklch(64.7% 0.125 264.0);

Tailwind

colors: {
  custom: {
    50: '#99ade6',
    500: '#678cda',
    950: '#000000',
  },
}

SCSS

$custom: #678cda;
$custom-light: #99ade6;
$custom-dark: #000000;

JSON

{
  "hex": "#678cda",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 218
  },
  "hsl": {
    "h": 220.696,
    "s": 60.847,
    "l": 62.941
  },
  "oklch": {
    "l": 0.64691,
    "c": 0.12452,
    "h": 264
  },
  "luminance": 0.26702
}

Semantic roles & 50–950 ramp

primary

#678CDA

secondary

#E3D6BA

accent

#911DC9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #678CDA

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

Preview Lab → · Contrast checker → · Palette generator →