#677DB3#677DB3

#677DB3 is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.5% C 0.087 H 266.8°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#677DB3
RGB	rgb(103, 125, 179)
HSL	hsl(223, 33%, 55%)
HSV	hsv(223, 42%, 70%)
CMYK	cmyk(42.5%, 30.2%, 0%, 29.8%)
CIE-LAB	lab(52.73, 6.29, -31.07)
CIE-LCH	lch(52.73, 31.70, 281.45°)
OKLab	oklab(59.46% -0.0048 -0.0868)
OKLCH	oklch(59.46% 0.087 266.8)
XYZ	xyz(21.0613, 20.8044, 45.5450)
Luminance	0.2081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DB3 #B39D67

analogous

#67A3B3 #677DB3 #7767B3

triadic

#677DB3 #B3677D #7DB367

tetradic

#677DB3 #B367A3 #B39D67 #67B377

square

#677DB3 #B367A3 #B39D67 #67B377

split-complementary

#677DB3 #B37767 #A3B367

monochromatic

#35456A #4A5F93 #677DB3 #90A0C7 #B9C3DC

Accessibility & contrast

On white

4.07

#677DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#677DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DB3

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DB3	#FFFFFF	#000000	##000000
##677DB3	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A82B5

Deuteranopia (green-blind)

#637BB2

Tritanopia (blue-blind)

#4D8890

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677db3;
/* rgb */ color: rgb(103, 125, 179);
/* oklch */ color: oklch(59.5% 0.087 266.8);

Tailwind

colors: {
  custom: {
    50: '#95a2ca',
    500: '#677db3',
    950: '#000000',
  },
}

SCSS

$custom: #677db3;
$custom-light: #95a2ca;
$custom-dark: #000000;

JSON

{
  "hex": "#677db3",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 179
  },
  "hsl": {
    "h": 222.632,
    "s": 33.333,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59464,
    "c": 0.08698,
    "h": 266.8
  },
  "luminance": 0.20805
}

Semantic roles & 50–950 ramp

primary

#677DB3

secondary

#CBC2AB

accent

#AA5EC9

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #677DB3

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

Preview Lab → · Contrast checker → · Palette generator →