#677ECE#677ECE

#677ECE is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.1% C 0.124 H 270.3°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#677ECE
RGB	rgb(103, 126, 206)
HSL	hsl(227, 51%, 61%)
HSV	hsv(227, 50%, 81%)
CMYK	cmyk(50%, 38.8%, 0%, 19.2%)
CIE-LAB	lab(54.30, 13.84, -44.03)
CIE-LCH	lch(54.30, 46.15, 287.45°)
OKLab	oklab(61.1% 0.0006 -0.1245)
OKLCH	oklch(61.1% 0.124 270.3)
XYZ	xyz(24.1914, 22.2600, 61.4024)
Luminance	0.2226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677ECE #CEB767

analogous

#67B1CE #677ECE #8367CE

triadic

#677ECE #CE677E #7ECE67

tetradic

#677ECE #CE67B1 #CEB767 #67CE83

square

#677ECE #CE67B1 #CEB767 #67CE83

split-complementary

#677ECE #CE8367 #B1CE67

monochromatic

#2D438D #3C59BB #677ECE #95A5DD #C4CDEC

Accessibility & contrast

On white

3.85

#677ECE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#677ECE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677ECE

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677ECE	#FFFFFF	#000000	##000000
##677ECE	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F87D1

Deuteranopia (green-blind)

#547ECC

Tritanopia (blue-blind)

#3B8F9C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #677ece;
/* rgb */ color: rgb(103, 126, 206);
/* oklch */ color: oklch(61.1% 0.124 270.3);

Tailwind

colors: {
  custom: {
    50: '#98a3dd',
    500: '#677ece',
    950: '#000000',
  },
}

SCSS

$custom: #677ece;
$custom-light: #98a3dd;
$custom-dark: #000000;

JSON

{
  "hex": "#677ece",
  "rgb": {
    "r": 103,
    "g": 126,
    "b": 206
  },
  "hsl": {
    "h": 226.602,
    "s": 51.244,
    "l": 60.588
  },
  "oklch": {
    "l": 0.611,
    "c": 0.12448,
    "h": 270.3
  },
  "luminance": 0.22262
}

Semantic roles & 50–950 ramp

primary

#677ECE

secondary

#DCD3B5

accent

#9D27BF

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #677ECE

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

Preview Lab → · Contrast checker → · Palette generator →