#677BBD#677BBD

#677BBD is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.5% C 0.104 H 270.2°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#677BBD
RGB	rgb(103, 123, 189)
HSL	hsl(226, 39%, 57%)
HSV	hsv(226, 46%, 74%)
CMYK	cmyk(45.5%, 34.9%, 0%, 25.9%)
CIE-LAB	lab(52.64, 10.46, -36.95)
CIE-LCH	lch(52.64, 38.40, 285.80°)
OKLab	oklab(59.55% 0.0004 -0.1039)
OKLCH	oklch(59.55% 0.104 270.2)
XYZ	xyz(21.8589, 20.7224, 50.9823)
Luminance	0.2072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BBD #BDA967

analogous

#67A6BD #677BBD #7E67BD

triadic

#677BBD #BD677B #7BBD67

tetradic

#677BBD #BD67A6 #BDA967 #67BD7E

square

#677BBD #BD67A6 #BDA967 #67BD7E

split-complementary

#677BBD #BD7E67 #A6BD67

monochromatic

#334376 #465BA1 #677BBD #92A0D0 #BCC5E2

Accessibility & contrast

On white

4.08

#677BBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#677BBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BBD

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BBD	#FFFFFF	#000000	##000000
##677BBD	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6382C0

Deuteranopia (green-blind)

#5B7ABC

Tritanopia (blue-blind)

#488993

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677bbd;
/* rgb */ color: rgb(103, 123, 189);
/* oklch */ color: oklch(59.5% 0.104 270.2);

Tailwind

colors: {
  custom: {
    50: '#96a0d1',
    500: '#677bbd',
    950: '#000000',
  },
}

SCSS

$custom: #677bbd;
$custom-light: #96a0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#677bbd",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 189
  },
  "hsl": {
    "h": 226.047,
    "s": 39.45,
    "l": 57.255
  },
  "oklch": {
    "l": 0.59546,
    "c": 0.10389,
    "h": 270.2
  },
  "luminance": 0.20724
}

Semantic roles & 50–950 ramp

primary

#677BBD

secondary

#D1C9AE

accent

#B458CF

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #677BBD

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

Preview Lab → · Contrast checker → · Palette generator →