#678DDB#678DDB

#678DDB is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.0% C 0.125 H 263.6°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#678DDB
RGB	rgb(103, 141, 219)
HSL	hsl(220, 62%, 63%)
HSV	hsv(220, 53%, 86%)
CMYK	cmyk(53%, 35.6%, 0%, 14.1%)
CIE-LAB	lab(59.02, 8.95, -43.89)
CIE-LCH	lch(59.02, 44.80, 281.52°)
OKLab	oklab(64.96% -0.0139 -0.124)
OKLCH	oklch(64.96% 0.125 263.6)
XYZ	xyz(27.9003, 27.0457, 70.7542)
Luminance	0.2705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678DDB #DBB567

analogous

#67C7DB #678DDB #7B67DB

triadic

#678DDB #DB678D #8DDB67

tetradic

#678DDB #DB67C7 #DBB567 #67DB7B

square

#678DDB #DB67C7 #DBB567 #67DB7B

split-complementary

#678DDB #DB7B67 #C7DB67

monochromatic

#264FA1 #3668CF #678DDB #98B2E7 #CAD7F2

Accessibility & contrast

On white

3.28

#678DDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#678DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678DDB

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678DDB	#FFFFFF	#000000	##000000
##678DDB	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94DE

Deuteranopia (green-blind)

#6089D9

Tritanopia (blue-blind)

#2A9EAA

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #678ddb;
/* rgb */ color: rgb(103, 141, 219);
/* oklch */ color: oklch(65.0% 0.125 263.6);

Tailwind

colors: {
  custom: {
    50: '#99aee6',
    500: '#678ddb',
    950: '#000000',
  },
}

SCSS

$custom: #678ddb;
$custom-light: #99aee6;
$custom-dark: #000000;

JSON

{
  "hex": "#678ddb",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 219
  },
  "hsl": {
    "h": 220.345,
    "s": 61.702,
    "l": 63.137
  },
  "oklch": {
    "l": 0.64956,
    "c": 0.12476,
    "h": 263.6
  },
  "luminance": 0.27048
}

Semantic roles & 50–950 ramp

primary

#678DDB

secondary

#E4D6BA

accent

#911CC9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #678DDB

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

Preview Lab → · Contrast checker → · Palette generator →