#677EC6#677EC6

#677EC6 is a mid, moderate blue. Relative luminance 0.219; OKLCH L 60.7% C 0.113 H 269.4°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#677EC6
RGB	rgb(103, 126, 198)
HSL	hsl(225, 45%, 59%)
HSV	hsv(225, 48%, 78%)
CMYK	cmyk(48%, 36.4%, 0%, 22.4%)
CIE-LAB	lab(53.90, 11.38, -40.12)
CIE-LCH	lch(53.90, 41.70, 285.84°)
OKLab	oklab(60.66% -0.0012 -0.1131)
OKLCH	oklch(60.66% 0.113 269.4)
XYZ	xyz(23.2442, 21.8811, 56.4138)
Luminance	0.2188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677EC6 #C6AF67

analogous

#67AEC6 #677EC6 #8067C6

triadic

#677EC6 #C6677E #7EC667

tetradic

#677EC6 #C667AE #C6AF67 #67C680

square

#677EC6 #C667AE #C6AF67 #67C680

split-complementary

#677EC6 #C68067 #AEC667

monochromatic

#314482 #415CAE #677EC6 #94A4D7 #C0CAE7

Accessibility & contrast

On white

3.91

#677EC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#677EC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677EC6

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677EC6	#FFFFFF	#000000	##000000
##677EC6	1.00	3.91	5.38	5.38
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6385C9

Deuteranopia (green-blind)

#597DC4

Tritanopia (blue-blind)

#418D99

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677ec6;
/* rgb */ color: rgb(103, 126, 198);
/* oklch */ color: oklch(60.7% 0.113 269.4);

Tailwind

colors: {
  custom: {
    50: '#97a3d7',
    500: '#677ec6',
    950: '#000000',
  },
}

SCSS

$custom: #677ec6;
$custom-light: #97a3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#677ec6",
  "rgb": {
    "r": 103,
    "g": 126,
    "b": 198
  },
  "hsl": {
    "h": 225.474,
    "s": 45.455,
    "l": 59.02
  },
  "oklch": {
    "l": 0.6066,
    "c": 0.11309,
    "h": 269.4
  },
  "luminance": 0.21882
}

Semantic roles & 50–950 ramp

primary

#677EC6

secondary

#D7CEB2

accent

#B653D5

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #677EC6

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

Preview Lab → · Contrast checker → · Palette generator →