#677DA4#677DA4

#677DA4 is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.8% C 0.066 H 261.7°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#677DA4
RGB	rgb(103, 125, 164)
HSL	hsl(218, 25%, 52%)
HSV	hsv(218, 37%, 64%)
CMYK	cmyk(37.2%, 23.8%, 0%, 35.7%)
CIE-LAB	lab(52.10, 2.01, -23.39)
CIE-LCH	lch(52.10, 23.47, 274.91°)
OKLab	oklab(58.76% -0.0095 -0.0648)
OKLCH	oklch(58.76% 0.066 261.7)
XYZ	xyz(19.6259, 20.2302, 37.9855)
Luminance	0.2023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DA4 #A48E67

analogous

#679BA4 #677DA4 #7067A4

triadic

#677DA4 #A4677D #7DA467

tetradic

#677DA4 #A4679B #A48E67 #67A470

square

#677DA4 #A4679B #A48E67 #67A470

split-complementary

#677DA4 #A47067 #9BA467

monochromatic

#36435A #4D6081 #677DA4 #8D9EBB #B4BED2

Accessibility & contrast

On white

4.16

#677DA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#677DA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DA4

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DA4	#FFFFFF	#000000	##000000
##677DA4	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7FA6

Deuteranopia (green-blind)

#697AA3

Tritanopia (blue-blind)

#54858A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #677da4;
/* rgb */ color: rgb(103, 125, 164);
/* oklch */ color: oklch(58.8% 0.066 261.7);

Tailwind

colors: {
  custom: {
    50: '#94a2bf',
    500: '#677da4',
    950: '#000000',
  },
}

SCSS

$custom: #677da4;
$custom-light: #94a2bf;
$custom-dark: #000000;

JSON

{
  "hex": "#677da4",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 164
  },
  "hsl": {
    "h": 218.361,
    "s": 25.103,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58755,
    "c": 0.06551,
    "h": 261.7
  },
  "luminance": 0.20231
}

Semantic roles & 50–950 ramp

primary

#677DA4

secondary

#C1B7A6

accent

#A166C2

background

#F9F9FB

surface

#F2F2F7

border

#CCCCD0

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #677DA4

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

Preview Lab → · Contrast checker → · Palette generator →