#677FBB#677FBB

#677FBB is a mid, moderate blue. Relative luminance 0.216; OKLCH L 60.3% C 0.096 H 266.9°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#677FBB
RGB	rgb(103, 127, 187)
HSL	hsl(223, 38%, 57%)
HSV	hsv(223, 45%, 73%)
CMYK	cmyk(44.9%, 32.1%, 0%, 26.7%)
CIE-LAB	lab(53.65, 7.46, -34.23)
CIE-LCH	lch(53.65, 35.03, 282.30°)
OKLab	oklab(60.3% -0.0052 -0.096)
OKLCH	oklch(60.3% 0.096 266.9)
XYZ	xyz(22.1497, 21.6489, 50.0156)
Luminance	0.2165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FBB #BBA367

analogous

#67A9BB #677FBB #7967BB

triadic

#677FBB #BB677F #7FBB67

tetradic

#677FBB #BB67A9 #BBA367 #67BB79

square

#677FBB #BB67A9 #BBA367 #67BB79

split-complementary

#677FBB #BB7967 #A9BB67

monochromatic

#344674 #47609E #677FBB #91A3CE #BCC6E1

Accessibility & contrast

On white

3.94

#677FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#677FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FBB

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FBB	#FFFFFF	#000000	##000000
##677FBB	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BE

Deuteranopia (green-blind)

#617DBA

Tritanopia (blue-blind)

#488C95

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #677fbb;
/* rgb */ color: rgb(103, 127, 187);
/* oklch */ color: oklch(60.3% 0.096 266.9);

Tailwind

colors: {
  custom: {
    50: '#96a3cf',
    500: '#677fbb',
    950: '#000000',
  },
}

SCSS

$custom: #677fbb;
$custom-light: #96a3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#677fbb",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 187
  },
  "hsl": {
    "h": 222.857,
    "s": 38.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.60296,
    "c": 0.09611,
    "h": 266.9
  },
  "luminance": 0.2165
}

Semantic roles & 50–950 ramp

primary

#677FBB

secondary

#D0C6AE

accent

#AD5ACE

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #677FBB

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

Preview Lab → · Contrast checker → · Palette generator →