#677AC7#677AC7

#677AC7 is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.9% C 0.120 H 271.9°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#677AC7
RGB	rgb(103, 122, 199)
HSL	hsl(228, 46%, 59%)
HSV	hsv(228, 48%, 78%)
CMYK	cmyk(48.2%, 38.7%, 0%, 22%)
CIE-LAB	lab(52.87, 14.10, -42.32)
CIE-LCH	lch(52.87, 44.60, 288.42°)
OKLab	oklab(59.88% 0.0039 -0.1195)
OKLCH	oklch(59.88% 0.12 271.9)
XYZ	xyz(22.8586, 20.9248, 56.8561)
Luminance	0.2093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677AC7 #C7B467

analogous

#67AAC7 #677AC7 #8467C7

triadic

#677AC7 #C7677A #7AC767

tetradic

#677AC7 #C767AA #C7B467 #67C784

square

#677AC7 #C767AA #C7B467 #67C784

split-complementary

#677AC7 #C78467 #AAC767

monochromatic

#304183 #4157B0 #677AC7 #94A1D7 #C0C8E8

Accessibility & contrast

On white

4.05

#677AC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#677AC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677AC7

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677AC7	#FFFFFF	#000000	##000000
##677AC7	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D83CA

Deuteranopia (green-blind)

#537AC5

Tritanopia (blue-blind)

#418A97

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677ac7;
/* rgb */ color: rgb(103, 122, 199);
/* oklch */ color: oklch(59.9% 0.120 271.9);

Tailwind

colors: {
  custom: {
    50: '#97a0d8',
    500: '#677ac7',
    950: '#000000',
  },
}

SCSS

$custom: #677ac7;
$custom-light: #97a0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#677ac7",
  "rgb": {
    "r": 103,
    "g": 122,
    "b": 199
  },
  "hsl": {
    "h": 228.125,
    "s": 46.154,
    "l": 59.216
  },
  "oklch": {
    "l": 0.59879,
    "c": 0.11957,
    "h": 271.9
  },
  "luminance": 0.20926
}

Semantic roles & 50–950 ramp

primary

#677AC7

secondary

#D8D0B2

accent

#BC52D6

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #677AC7

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

Preview Lab → · Contrast checker → · Palette generator →