#677FBD#677FBD

#677FBD is a mid, moderate blue. Relative luminance 0.217; OKLCH L 60.4% C 0.099 H 267.3°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#677FBD
RGB	rgb(103, 127, 189)
HSL	hsl(223, 39%, 57%)
HSV	hsv(223, 46%, 74%)
CMYK	cmyk(45.5%, 32.8%, 0%, 25.9%)
CIE-LAB	lab(53.74, 8.06, -35.23)
CIE-LCH	lch(53.74, 36.14, 282.89°)
OKLab	oklab(60.4% -0.0047 -0.0989)
OKLCH	oklch(60.4% 0.099 267.3)
XYZ	xyz(22.3653, 21.7351, 51.1511)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FBD #BDA567

analogous

#67AABD #677FBD #7A67BD

triadic

#677FBD #BD677F #7FBD67

tetradic

#677FBD #BD67AA #BDA567 #67BD7A

square

#677FBD #BD67AA #BDA567 #67BD7A

split-complementary

#677FBD #BD7A67 #AABD67

monochromatic

#334676 #465FA1 #677FBD #92A3D0 #BCC7E2

Accessibility & contrast

On white

3.93

#677FBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#677FBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FBD

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FBD	#FFFFFF	#000000	##000000
##677FBD	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6885C0

Deuteranopia (green-blind)

#607DBC

Tritanopia (blue-blind)

#478C95

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #677fbd;
/* rgb */ color: rgb(103, 127, 189);
/* oklch */ color: oklch(60.4% 0.099 267.3);

Tailwind

colors: {
  custom: {
    50: '#96a3d1',
    500: '#677fbd',
    950: '#000000',
  },
}

SCSS

$custom: #677fbd;
$custom-light: #96a3d1;
$custom-dark: #000000;

JSON

{
  "hex": "#677fbd",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 189
  },
  "hsl": {
    "h": 223.256,
    "s": 39.45,
    "l": 57.255
  },
  "oklch": {
    "l": 0.60398,
    "c": 0.09897,
    "h": 267.3
  },
  "luminance": 0.21736
}

Semantic roles & 50–950 ramp

primary

#677FBD

secondary

#D1C8AE

accent

#AE58CF

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #677FBD

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

Preview Lab → · Contrast checker → · Palette generator →