#677EC5#677EC5

#677EC5 is a mid, moderate blue. Relative luminance 0.218; OKLCH L 60.6% C 0.112 H 269.3°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#677EC5
RGB	rgb(103, 126, 197)
HSL	hsl(225, 45%, 59%)
HSV	hsv(225, 48%, 77%)
CMYK	cmyk(47.7%, 36%, 0%, 22.7%)
CIE-LAB	lab(53.85, 11.08, -39.62)
CIE-LCH	lch(53.85, 41.14, 285.62°)
OKLab	oklab(60.61% -0.0014 -0.1116)
OKLCH	oklch(60.61% 0.112 269.3)
XYZ	xyz(23.1292, 21.8351, 55.8083)
Luminance	0.2184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677EC5 #C5AE67

analogous

#67ADC5 #677EC5 #7F67C5

triadic

#677EC5 #C5677E #7EC567

tetradic

#677EC5 #C567AD #C5AE67 #67C57F

square

#677EC5 #C567AD #C5AE67 #67C57F

split-complementary

#677EC5 #C57F67 #ADC567

monochromatic

#314581 #425CAD #677EC5 #93A4D6 #C0C9E7

Accessibility & contrast

On white

3.91

#677EC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#677EC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677EC5

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677EC5	#FFFFFF	#000000	##000000
##677EC5	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6385C8

Deuteranopia (green-blind)

#5A7DC3

Tritanopia (blue-blind)

#428D98

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677ec5;
/* rgb */ color: rgb(103, 126, 197);
/* oklch */ color: oklch(60.6% 0.112 269.3);

Tailwind

colors: {
  custom: {
    50: '#97a3d7',
    500: '#677ec5',
    950: '#000000',
  },
}

SCSS

$custom: #677ec5;
$custom-light: #97a3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#677ec5",
  "rgb": {
    "r": 103,
    "g": 126,
    "b": 197
  },
  "hsl": {
    "h": 225.319,
    "s": 44.762,
    "l": 58.824
  },
  "oklch": {
    "l": 0.60606,
    "c": 0.11165,
    "h": 269.3
  },
  "luminance": 0.21836
}

Semantic roles & 50–950 ramp

primary

#677EC5

secondary

#D6CDB1

accent

#B553D4

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #677EC5

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

Preview Lab → · Contrast checker → · Palette generator →