#677ECF#677ECF

#677ECF is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.2% C 0.126 H 270.4°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#677ECF
RGB	rgb(103, 126, 207)
HSL	hsl(227, 52%, 61%)
HSV	hsv(227, 50%, 81%)
CMYK	cmyk(50.2%, 39.1%, 0%, 18.8%)
CIE-LAB	lab(54.35, 14.15, -44.51)
CIE-LCH	lch(54.35, 46.71, 287.64°)
OKLab	oklab(61.16% 0.0008 -0.1259)
OKLCH	oklch(61.16% 0.126 270.4)
XYZ	xyz(24.3132, 22.3087, 62.0442)
Luminance	0.2231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677ECF #CFB867

analogous

#67B2CF #677ECF #8467CF

triadic

#677ECF #CF677E #7ECF67

tetradic

#677ECF #CF67B2 #CFB867 #67CF84

square

#677ECF #CF67B2 #CFB867 #67CF84

split-complementary

#677ECF #CF8467 #B2CF67

monochromatic

#2D438F #3C58BD #677ECF #96A5DE #C4CDEC

Accessibility & contrast

On white

3.84

#677ECF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#677ECF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677ECF

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677ECF	#FFFFFF	#000000	##000000
##677ECF	1.00	3.84	5.46	5.46
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E87D2

Deuteranopia (green-blind)

#537ECD

Tritanopia (blue-blind)

#3A8F9C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #677ecf;
/* rgb */ color: rgb(103, 126, 207);
/* oklch */ color: oklch(61.2% 0.126 270.4);

Tailwind

colors: {
  custom: {
    50: '#98a3de',
    500: '#677ecf',
    950: '#000000',
  },
}

SCSS

$custom: #677ecf;
$custom-light: #98a3de;
$custom-dark: #000000;

JSON

{
  "hex": "#677ecf",
  "rgb": {
    "r": 103,
    "g": 126,
    "b": 207
  },
  "hsl": {
    "h": 226.731,
    "s": 52,
    "l": 60.784
  },
  "oklch": {
    "l": 0.61156,
    "c": 0.1259,
    "h": 270.4
  },
  "luminance": 0.2231
}

Semantic roles & 50–950 ramp

primary

#677ECF

secondary

#DDD4B5

accent

#9D26BF

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #677ECF

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

Preview Lab → · Contrast checker → · Palette generator →