#677ECB#677ECB

#677ECB is a mid, vivid blue. Relative luminance 0.221; OKLCH L 60.9% C 0.120 H 270.0°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#677ECB
RGB	rgb(103, 126, 203)
HSL	hsl(226, 49%, 60%)
HSV	hsv(226, 49%, 80%)
CMYK	cmyk(49.3%, 37.9%, 0%, 20.4%)
CIE-LAB	lab(54.15, 12.91, -42.57)
CIE-LCH	lch(54.15, 44.48, 286.88°)
OKLab	oklab(60.93% 0 -0.1202)
OKLCH	oklch(60.93% 0.12 270)
XYZ	xyz(23.8304, 22.1156, 59.5013)
Luminance	0.2212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677ECB #CBB467

analogous

#67B0CB #677ECB #8267CB

triadic

#677ECB #CB677E #7ECB67

tetradic

#677ECB #CB67B0 #CBB467 #67CB82

square

#677ECB #CB67B0 #CBB467 #67CB82

split-complementary

#677ECB #CB8267 #B0CB67

monochromatic

#2F4389 #3E5AB6 #677ECB #95A5DB #C2CBEA

Accessibility & contrast

On white

3.87

#677ECB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#677ECB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677ECB

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677ECB	#FFFFFF	#000000	##000000
##677ECB	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6086CE

Deuteranopia (green-blind)

#567DC9

Tritanopia (blue-blind)

#3E8E9B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677ecb;
/* rgb */ color: rgb(103, 126, 203);
/* oklch */ color: oklch(60.9% 0.120 270.0);

Tailwind

colors: {
  custom: {
    50: '#98a3db',
    500: '#677ecb',
    950: '#000000',
  },
}

SCSS

$custom: #677ecb;
$custom-light: #98a3db;
$custom-dark: #000000;

JSON

{
  "hex": "#677ecb",
  "rgb": {
    "r": 103,
    "g": 126,
    "b": 203
  },
  "hsl": {
    "h": 226.2,
    "s": 49.02,
    "l": 60
  },
  "oklch": {
    "l": 0.60933,
    "c": 0.12022,
    "h": 270
  },
  "luminance": 0.22117
}

Semantic roles & 50–950 ramp

primary

#677ECB

secondary

#DAD1B4

accent

#B94FD9

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #677ECB

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

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