#677ECC#677ECC

#677ECC is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.0% C 0.122 H 270.1°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#677ECC
RGB	rgb(103, 126, 204)
HSL	hsl(226, 50%, 60%)
HSV	hsv(226, 50%, 80%)
CMYK	cmyk(49.5%, 38.2%, 0%, 20%)
CIE-LAB	lab(54.20, 13.22, -43.05)
CIE-LCH	lch(54.20, 45.04, 287.07°)
OKLab	oklab(60.99% 0.0002 -0.1216)
OKLCH	oklch(60.99% 0.122 270.1)
XYZ	xyz(23.9499, 22.1634, 60.1310)
Luminance	0.2217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677ECC #CCB567

analogous

#67B0CC #677ECC #8367CC

triadic

#677ECC #CC677E #7ECC67

tetradic

#677ECC #CC67B0 #CCB567 #67CC83

square

#677ECC #CC67B0 #CCB567 #67CC83

split-complementary

#677ECC #CC8367 #B0CC67

monochromatic

#2E438A #3E5AB8 #677ECC #95A5DB #C3CCEB

Accessibility & contrast

On white

3.87

#677ECC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#677ECC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677ECC

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677ECC	#FFFFFF	#000000	##000000
##677ECC	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6086CF

Deuteranopia (green-blind)

#557ECA

Tritanopia (blue-blind)

#3D8F9B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #677ecc;
/* rgb */ color: rgb(103, 126, 204);
/* oklch */ color: oklch(61.0% 0.122 270.1);

Tailwind

colors: {
  custom: {
    50: '#98a3dc',
    500: '#677ecc',
    950: '#000000',
  },
}

SCSS

$custom: #677ecc;
$custom-light: #98a3dc;
$custom-dark: #000000;

JSON

{
  "hex": "#677ecc",
  "rgb": {
    "r": 103,
    "g": 126,
    "b": 204
  },
  "hsl": {
    "h": 226.337,
    "s": 49.754,
    "l": 60.196
  },
  "oklch": {
    "l": 0.60988,
    "c": 0.12164,
    "h": 270.1
  },
  "luminance": 0.22165
}

Semantic roles & 50–950 ramp

primary

#677ECC

secondary

#DBD2B4

accent

#9B28BD

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #677ECC

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

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