#677BBF#677BBF

#677BBF is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.7% C 0.107 H 270.5°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#677BBF
RGB	rgb(103, 123, 191)
HSL	hsl(226, 41%, 58%)
HSV	hsv(226, 46%, 75%)
CMYK	cmyk(46.1%, 35.6%, 0%, 25.1%)
CIE-LAB	lab(52.74, 11.06, -37.95)
CIE-LCH	lch(52.74, 39.52, 286.25°)
OKLab	oklab(59.65% 0.0009 -0.1068)
OKLCH	oklch(59.65% 0.107 270.5)
XYZ	xyz(22.0775, 20.8098, 52.1335)
Luminance	0.2081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BBF #BFAB67

analogous

#67A7BF #677BBF #7F67BF

triadic

#677BBF #BF677B #7BBF67

tetradic

#677BBF #BF67A7 #BFAB67 #67BF7F

square

#677BBF #BF67A7 #BFAB67 #67BF7F

split-complementary

#677BBF #BF7F67 #A7BF67

monochromatic

#334379 #455BA4 #677BBF #92A0D1 #BDC6E3

Accessibility & contrast

On white

4.07

#677BBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#677BBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BBF

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BBF	#FFFFFF	#000000	##000000
##677BBF	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)

#6282C2

Deuteranopia (green-blind)

#5A7ABD

Tritanopia (blue-blind)

#468994

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677bbf;
/* rgb */ color: rgb(103, 123, 191);
/* oklch */ color: oklch(59.7% 0.107 270.5);

Tailwind

colors: {
  custom: {
    50: '#97a0d2',
    500: '#677bbf',
    950: '#000000',
  },
}

SCSS

$custom: #677bbf;
$custom-light: #97a0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#677bbf",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 191
  },
  "hsl": {
    "h": 226.364,
    "s": 40.741,
    "l": 57.647
  },
  "oklch": {
    "l": 0.59652,
    "c": 0.10678,
    "h": 270.5
  },
  "luminance": 0.20811
}

Semantic roles & 50–950 ramp

primary

#677BBF

secondary

#D3CBAF

accent

#B557D1

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #677BBF

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

Preview Lab → · Contrast checker → · Palette generator →