#677FDD#677FDD

#677FDD is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.2% C 0.144 H 270.9°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#677FDD
RGB	rgb(103, 127, 221)
HSL	hsl(228, 63%, 64%)
HSV	hsv(228, 53%, 87%)
CMYK	cmyk(53.4%, 42.5%, 0%, 13.3%)
CIE-LAB	lab(55.36, 17.94, -50.81)
CIE-LCH	lch(55.36, 53.88, 289.45°)
OKLab	oklab(62.17% 0.0023 -0.1443)
OKLCH	oklch(62.17% 0.144 270.9)
XYZ	xyz(26.2298, 23.2809, 71.5041)
Luminance	0.2328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FDD #DDC567

analogous

#67BADD #677FDD #8A67DD

triadic

#677FDD #DD677F #7FDD67

tetradic

#677FDD #DD67BA #DDC567 #67DD8A

square

#677FDD #DD67BA #DDC567 #67DD8A

split-complementary

#677FDD #DD8A67 #BADD67

monochromatic

#253FA5 #3555D2 #677FDD #99A9E8 #CBD3F3

Accessibility & contrast

On white

3.71

#677FDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#677FDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FDD

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FDD	#FFFFFF	#000000	##000000
##677FDD	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#578AE1

Deuteranopia (green-blind)

#4A80DB

Tritanopia (blue-blind)

#2C93A3

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #677fdd;
/* rgb */ color: rgb(103, 127, 221);
/* oklch */ color: oklch(62.2% 0.144 270.9);

Tailwind

colors: {
  custom: {
    50: '#9aa3e8',
    500: '#677fdd',
    950: '#000000',
  },
}

SCSS

$custom: #677fdd;
$custom-light: #9aa3e8;
$custom-dark: #000000;

JSON

{
  "hex": "#677fdd",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 221
  },
  "hsl": {
    "h": 227.797,
    "s": 63.441,
    "l": 63.529
  },
  "oklch": {
    "l": 0.62171,
    "c": 0.14433,
    "h": 270.9
  },
  "luminance": 0.23283
}

Semantic roles & 50–950 ramp

primary

#677FDD

secondary

#E5DCBB

accent

#A71ACB

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0F0F16

muted

#7E7F84

Preview Lab

Preview with #677FDD

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

Preview Lab → · Contrast checker → · Palette generator →