#677EA4#677EA4

#677EA4 is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.0% C 0.064 H 260.3°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#677EA4
RGB	rgb(103, 126, 164)
HSL	hsl(217, 25%, 52%)
HSV	hsv(217, 37%, 64%)
CMYK	cmyk(37.2%, 23.2%, 0%, 35.7%)
CIE-LAB	lab(52.38, 1.42, -22.95)
CIE-LCH	lch(52.38, 22.99, 273.55°)
OKLab	oklab(58.98% -0.0109 -0.0636)
OKLCH	oklch(58.98% 0.064 260.3)
XYZ	xyz(19.7532, 20.4847, 38.0279)
Luminance	0.2049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677EA4 #A48D67

analogous

#679DA4 #677EA4 #6F67A4

triadic

#677EA4 #A4677E #7EA467

tetradic

#677EA4 #A4679D #A48D67 #67A46F

square

#677EA4 #A4679D #A48D67 #67A46F

split-complementary

#677EA4 #A46F67 #9DA467

monochromatic

#36445A #4D6181 #677EA4 #8D9EBB #B4BFD2

Accessibility & contrast

On white

4.12

#677EA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#677EA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677EA4

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677EA4	#FFFFFF	#000000	##000000
##677EA4	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7180A6

Deuteranopia (green-blind)

#6A7AA3

Tritanopia (blue-blind)

#54868B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #677ea4;
/* rgb */ color: rgb(103, 126, 164);
/* oklch */ color: oklch(59.0% 0.064 260.3);

Tailwind

colors: {
  custom: {
    50: '#94a3bf',
    500: '#677ea4',
    950: '#000000',
  },
}

SCSS

$custom: #677ea4;
$custom-light: #94a3bf;
$custom-dark: #000000;

JSON

{
  "hex": "#677ea4",
  "rgb": {
    "r": 103,
    "g": 126,
    "b": 164
  },
  "hsl": {
    "h": 217.377,
    "s": 25.103,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58978,
    "c": 0.06449,
    "h": 260.3
  },
  "luminance": 0.20486
}

Semantic roles & 50–950 ramp

primary

#677EA4

secondary

#C1B7A6

accent

#9F66C2

background

#F9FAFB

surface

#F2F3F7

border

#CCCDD0

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #677EA4

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

Preview Lab → · Contrast checker → · Palette generator →