#677BBE#677BBE

#677BBE is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.6% C 0.105 H 270.3°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#677BBE
RGB	rgb(103, 123, 190)
HSL	hsl(226, 40%, 57%)
HSV	hsv(226, 46%, 75%)
CMYK	cmyk(45.8%, 35.3%, 0%, 25.5%)
CIE-LAB	lab(52.69, 10.76, -37.45)
CIE-LCH	lch(52.69, 38.96, 286.03°)
OKLab	oklab(59.6% 0.0006 -0.1053)
OKLCH	oklch(59.6% 0.105 270.3)
XYZ	xyz(21.9678, 20.7659, 51.5559)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BBE #BEAA67

analogous

#67A6BE #677BBE #7F67BE

triadic

#677BBE #BE677B #7BBE67

tetradic

#677BBE #BE67A6 #BEAA67 #67BE7F

square

#677BBE #BE67A6 #BEAA67 #67BE7F

split-complementary

#677BBE #BE7F67 #A6BE67

monochromatic

#334377 #455BA2 #677BBE #92A0D0 #BDC5E3

Accessibility & contrast

On white

4.07

#677BBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#677BBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BBE

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BBE	#FFFFFF	#000000	##000000
##677BBE	1.00	4.07	5.15	5.15
#FFFFFF	4.07	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)

#6382C1

Deuteranopia (green-blind)

#5A7ABC

Tritanopia (blue-blind)

#478994

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677bbe;
/* rgb */ color: rgb(103, 123, 190);
/* oklch */ color: oklch(59.6% 0.105 270.3);

Tailwind

colors: {
  custom: {
    50: '#96a0d2',
    500: '#677bbe',
    950: '#000000',
  },
}

SCSS

$custom: #677bbe;
$custom-light: #96a0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#677bbe",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 190
  },
  "hsl": {
    "h": 226.207,
    "s": 40.092,
    "l": 57.451
  },
  "oklch": {
    "l": 0.59598,
    "c": 0.10533,
    "h": 270.3
  },
  "luminance": 0.20767
}

Semantic roles & 50–950 ramp

primary

#677BBE

secondary

#D2CAAF

accent

#B458D0

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #677BBE

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

Preview Lab → · Contrast checker → · Palette generator →