#677BBB#677BBB

#677BBB is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.4% C 0.101 H 269.9°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#677BBB
RGB	rgb(103, 123, 187)
HSL	hsl(226, 38%, 57%)
HSV	hsv(226, 45%, 73%)
CMYK	cmyk(44.9%, 34.2%, 0%, 26.7%)
CIE-LAB	lab(52.55, 9.86, -35.95)
CIE-LCH	lch(52.55, 37.28, 285.33°)
OKLab	oklab(59.44% -0.0001 -0.101)
OKLCH	oklch(59.44% 0.101 269.9)
XYZ	xyz(21.6433, 20.6361, 49.8468)
Luminance	0.2064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BBB #BBA767

analogous

#67A5BB #677BBB #7D67BB

triadic

#677BBB #BB677B #7BBB67

tetradic

#677BBB #BB67A5 #BBA767 #67BB7D

square

#677BBB #BB67A5 #BBA767 #67BB7D

split-complementary

#677BBB #BB7D67 #A5BB67

monochromatic

#344374 #475C9E #677BBB #91A0CE #BCC4E1

Accessibility & contrast

On white

4.10

#677BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#677BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BBB

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BBB	#FFFFFF	#000000	##000000
##677BBB	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6481BE

Deuteranopia (green-blind)

#5C7ABA

Tritanopia (blue-blind)

#498892

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #677bbb;
/* rgb */ color: rgb(103, 123, 187);
/* oklch */ color: oklch(59.4% 0.101 269.9);

Tailwind

colors: {
  custom: {
    50: '#96a1cf',
    500: '#677bbb',
    950: '#000000',
  },
}

SCSS

$custom: #677bbb;
$custom-light: #96a1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#677bbb",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 187
  },
  "hsl": {
    "h": 225.714,
    "s": 38.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.59441,
    "c": 0.10099,
    "h": 269.9
  },
  "luminance": 0.20637
}

Semantic roles & 50–950 ramp

primary

#677BBB

secondary

#D0C8AE

accent

#B25ACE

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #677BBB

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

Preview Lab → · Contrast checker → · Palette generator →