#677FB2#677FB2

#677FB2 is a mid, moderate blue. Relative luminance 0.213; OKLCH L 59.9% C 0.083 H 264.7°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#677FB2
RGB	rgb(103, 127, 178)
HSL	hsl(221, 33%, 55%)
HSV	hsv(221, 42%, 70%)
CMYK	cmyk(42.1%, 28.7%, 0%, 30.2%)
CIE-LAB	lab(53.25, 4.82, -29.69)
CIE-LCH	lch(53.25, 30.08, 279.21°)
OKLab	oklab(59.85% -0.0078 -0.0829)
OKLCH	oklch(59.85% 0.083 264.7)
XYZ	xyz(21.2162, 21.2755, 45.0995)
Luminance	0.2128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FB2 #B29A67

analogous

#67A4B2 #677FB2 #7467B2

triadic

#677FB2 #B2677F #7FB267

tetradic

#677FB2 #B267A4 #B29A67 #67B274

square

#677FB2 #B267A4 #B29A67 #67B274

split-complementary

#677FB2 #B27467 #A4B267

monochromatic

#354669 #4A6192 #677FB2 #90A1C7 #B8C3DB

Accessibility & contrast

On white

4.00

#677FB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#677FB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FB2

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FB2	#FFFFFF	#000000	##000000
##677FB2	1.00	4.00	5.26	5.26
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D83B4

Deuteranopia (green-blind)

#657CB1

Tritanopia (blue-blind)

#4D8A91

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #677fb2;
/* rgb */ color: rgb(103, 127, 178);
/* oklch */ color: oklch(59.9% 0.083 264.7);

Tailwind

colors: {
  custom: {
    50: '#95a3c9',
    500: '#677fb2',
    950: '#000000',
  },
}

SCSS

$custom: #677fb2;
$custom-light: #95a3c9;
$custom-dark: #000000;

JSON

{
  "hex": "#677fb2",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 178
  },
  "hsl": {
    "h": 220.8,
    "s": 32.751,
    "l": 55.098
  },
  "oklch": {
    "l": 0.5985,
    "c": 0.08323,
    "h": 264.7
  },
  "luminance": 0.21277
}

Semantic roles & 50–950 ramp

primary

#677FB2

secondary

#CAC0AB

accent

#A75FC9

background

#F9FAFC

surface

#F2F3F8

border

#CCCDD1

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #677FB2

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

Preview Lab → · Contrast checker → · Palette generator →