#677DB2#677DB2

#677DB2 is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.4% C 0.086 H 266.6°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#677DB2
RGB	rgb(103, 125, 178)
HSL	hsl(222, 33%, 55%)
HSV	hsv(222, 42%, 70%)
CMYK	cmyk(42.1%, 29.8%, 0%, 30.2%)
CIE-LAB	lab(52.69, 6.00, -30.56)
CIE-LCH	lch(52.69, 31.14, 281.11°)
OKLab	oklab(59.41% -0.0051 -0.0854)
OKLCH	oklch(59.41% 0.086 266.6)
XYZ	xyz(20.9605, 20.7640, 45.0143)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DB2 #B29C67

analogous

#67A2B2 #677DB2 #7667B2

triadic

#677DB2 #B2677D #7DB267

tetradic

#677DB2 #B267A2 #B29C67 #67B276

square

#677DB2 #B267A2 #B29C67 #67B276

split-complementary

#677DB2 #B27667 #A2B267

monochromatic

#354569 #4A5F92 #677DB2 #90A0C7 #B8C2DB

Accessibility & contrast

On white

4.08

#677DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#677DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DB2

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DB2	#FFFFFF	#000000	##000000
##677DB2	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A81B4

Deuteranopia (green-blind)

#637BB1

Tritanopia (blue-blind)

#4D8890

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677db2;
/* rgb */ color: rgb(103, 125, 178);
/* oklch */ color: oklch(59.4% 0.086 266.6);

Tailwind

colors: {
  custom: {
    50: '#95a2c9',
    500: '#677db2',
    950: '#000000',
  },
}

SCSS

$custom: #677db2;
$custom-light: #95a2c9;
$custom-dark: #000000;

JSON

{
  "hex": "#677db2",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 178
  },
  "hsl": {
    "h": 222.4,
    "s": 32.751,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59415,
    "c": 0.08553,
    "h": 266.6
  },
  "luminance": 0.20765
}

Semantic roles & 50–950 ramp

primary

#677DB2

secondary

#CAC1AB

accent

#AA5FC9

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #677DB2

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

Preview Lab → · Contrast checker → · Palette generator →