#677ADA#677ADA

#677ADA is a mid, vivid blue. Relative luminance 0.219; OKLCH L 61.0% C 0.147 H 272.9°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#677ADA
RGB	rgb(103, 122, 218)
HSL	hsl(230, 61%, 63%)
HSV	hsv(230, 53%, 85%)
CMYK	cmyk(52.8%, 44%, 0%, 14.5%)
CIE-LAB	lab(53.88, 20.02, -51.48)
CIE-LCH	lch(53.88, 55.23, 291.25°)
OKLab	oklab(60.99% 0.0074 -0.1463)
OKLCH	oklch(60.99% 0.147 272.9)
XYZ	xyz(25.2039, 21.8629, 69.2079)
Luminance	0.2187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677ADA #DAC767

analogous

#67B3DA #677ADA #8D67DA

triadic

#677ADA #DA677A #7ADA67

tetradic

#677ADA #DA67B3 #DAC767 #67DA8D

square

#677ADA #DA67B3 #DAC767 #67DA8D

split-complementary

#677ADA #DA8D67 #B3DA67

monochromatic

#273BA0 #364FCE #677ADA #98A5E6 #C9D0F2

Accessibility & contrast

On white

3.91

#677ADA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#677ADA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677ADA

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677ADA	#FFFFFF	#000000	##000000
##677ADA	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5186DE

Deuteranopia (green-blind)

#447CD8

Tritanopia (blue-blind)

#308F9F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677ada;
/* rgb */ color: rgb(103, 122, 218);
/* oklch */ color: oklch(61.0% 0.147 272.9);

Tailwind

colors: {
  custom: {
    50: '#9aa0e6',
    500: '#677ada',
    950: '#000000',
  },
}

SCSS

$custom: #677ada;
$custom-light: #9aa0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#677ada",
  "rgb": {
    "r": 103,
    "g": 122,
    "b": 218
  },
  "hsl": {
    "h": 230.087,
    "s": 60.847,
    "l": 62.941
  },
  "oklch": {
    "l": 0.60986,
    "c": 0.14651,
    "h": 272.9
  },
  "luminance": 0.21865
}

Semantic roles & 50–950 ramp

primary

#677ADA

secondary

#E3DCBA

accent

#AC1DC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #677ADA

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

Preview Lab → · Contrast checker → · Palette generator →