#677BC3#677BC3

#677BC3 is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.9% C 0.113 H 270.9°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#677BC3
RGB	rgb(103, 123, 195)
HSL	hsl(227, 43%, 58%)
HSV	hsv(227, 47%, 76%)
CMYK	cmyk(47.2%, 36.9%, 0%, 23.5%)
CIE-LAB	lab(52.94, 12.27, -39.92)
CIE-LCH	lch(52.94, 41.77, 287.09°)
OKLab	oklab(59.87% 0.0018 -0.1125)
OKLCH	oklch(59.87% 0.113 270.9)
XYZ	xyz(22.5237, 20.9883, 54.4835)
Luminance	0.2099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BC3 #C3AF67

analogous

#67A9C3 #677BC3 #8167C3

triadic

#677BC3 #C3677B #7BC367

tetradic

#677BC3 #C367A9 #C3AF67 #67C381

square

#677BC3 #C367A9 #C3AF67 #67C381

split-complementary

#677BC3 #C38167 #A9C367

monochromatic

#32427E #4359AA #677BC3 #93A1D4 #BFC7E6

Accessibility & contrast

On white

4.04

#677BC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#677BC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BC3

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BC3	#FFFFFF	#000000	##000000
##677BC3	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6083C6

Deuteranopia (green-blind)

#577BC1

Tritanopia (blue-blind)

#448A96

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677bc3;
/* rgb */ color: rgb(103, 123, 195);
/* oklch */ color: oklch(59.9% 0.113 270.9);

Tailwind

colors: {
  custom: {
    50: '#97a0d5',
    500: '#677bc3',
    950: '#000000',
  },
}

SCSS

$custom: #677bc3;
$custom-light: #97a0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#677bc3",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 195
  },
  "hsl": {
    "h": 226.957,
    "s": 43.396,
    "l": 58.431
  },
  "oklch": {
    "l": 0.59867,
    "c": 0.11254,
    "h": 270.9
  },
  "luminance": 0.2099
}

Semantic roles & 50–950 ramp

primary

#677BC3

secondary

#D5CDB1

accent

#B855D3

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #677BC3

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

Preview Lab → · Contrast checker → · Palette generator →