#678CEE#678CEE

#678CEE is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.8% C 0.152 H 266.7°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#678CEE
RGB	rgb(103, 140, 238)
HSL	hsl(224, 80%, 67%)
HSV	hsv(224, 57%, 93%)
CMYK	cmyk(56.7%, 41.2%, 0%, 6.7%)
CIE-LAB	lab(59.72, 15.57, -53.35)
CIE-LCH	lch(59.72, 55.57, 286.27°)
OKLab	oklab(65.81% -0.0088 -0.1516)
OKLCH	oklch(65.81% 0.152 266.7)
XYZ	xyz(30.3990, 27.8104, 84.6383)
Luminance	0.2781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678CEE #EEC967

analogous

#67CFEE #678CEE #8667EE

triadic

#678CEE #EE678C #8CEE67

tetradic

#678CEE #EE67CF #EEC967 #67EE86

square

#678CEE #EE67CF #EEC967 #67EE86

split-complementary

#678CEE #EE8667 #CFEE67

monochromatic

#1646C5 #3062E8 #678CEE #9EB6F4 #D5DFFA

Accessibility & contrast

On white

3.20

#678CEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#678CEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CEE

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678CEE	#FFFFFF	#000000	##000000
##678CEE	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6296F2

Deuteranopia (green-blind)

#508AEC

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #678cee;
/* rgb */ color: rgb(103, 140, 238);
/* oklch */ color: oklch(65.8% 0.152 266.7);

Tailwind

colors: {
  custom: {
    50: '#9cadf4',
    500: '#678cee',
    950: '#000000',
  },
}

SCSS

$custom: #678cee;
$custom-light: #9cadf4;
$custom-dark: #000000;

JSON

{
  "hex": "#678cee",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 238
  },
  "hsl": {
    "h": 223.556,
    "s": 79.882,
    "l": 66.863
  },
  "oklch": {
    "l": 0.65813,
    "c": 0.15189,
    "h": 266.7
  },
  "luminance": 0.27813
}

Semantic roles & 50–950 ramp

primary

#678CEE

secondary

#EEE2C3

accent

#A209DC

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #678CEE

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

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