#677FB4#677FB4

#677FB4 is a mid, moderate blue. Relative luminance 0.214; OKLCH L 59.9% C 0.086 H 265.2°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#677FB4
RGB	rgb(103, 127, 180)
HSL	hsl(221, 34%, 55%)
HSV	hsv(221, 43%, 71%)
CMYK	cmyk(42.8%, 29.4%, 0%, 29.4%)
CIE-LAB	lab(53.34, 5.40, -30.70)
CIE-LCH	lch(53.34, 31.17, 279.97°)
OKLab	oklab(59.95% -0.0072 -0.0858)
OKLCH	oklch(59.95% 0.086 265.2)
XYZ	xyz(21.4185, 21.3564, 46.1648)
Luminance	0.2136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FB4 #B49C67

analogous

#67A5B4 #677FB4 #7567B4

triadic

#677FB4 #B4677F #7FB467

tetradic

#677FB4 #B467A5 #B49C67 #67B475

square

#677FB4 #B467A5 #B49C67 #67B475

split-complementary

#677FB4 #B47567 #A5B467

monochromatic

#35466C #496195 #677FB4 #90A2C8 #B9C4DC

Accessibility & contrast

On white

3.98

#677FB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#677FB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FB4

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FB4	#FFFFFF	#000000	##000000
##677FB4	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C83B6

Deuteranopia (green-blind)

#647CB3

Tritanopia (blue-blind)

#4C8A92

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #677fb4;
/* rgb */ color: rgb(103, 127, 180);
/* oklch */ color: oklch(59.9% 0.086 265.2);

Tailwind

colors: {
  custom: {
    50: '#95a3ca',
    500: '#677fb4',
    950: '#000000',
  },
}

SCSS

$custom: #677fb4;
$custom-light: #95a3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#677fb4",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 180
  },
  "hsl": {
    "h": 221.299,
    "s": 33.921,
    "l": 55.49
  },
  "oklch": {
    "l": 0.59947,
    "c": 0.08609,
    "h": 265.2
  },
  "luminance": 0.21358
}

Semantic roles & 50–950 ramp

primary

#677FB4

secondary

#CBC1AB

accent

#A85ECA

background

#F9FAFC

surface

#F2F3F8

border

#CCCDD1

text

#0E0F13

muted

#7E7F82

Preview Lab

Preview with #677FB4

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

Preview Lab → · Contrast checker → · Palette generator →