#6557DA#6557DA

#6557DA is a mid, vivid blue. Relative luminance 0.146; OKLCH L 54.4% C 0.193 H 282.7°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX#6557DA
RGBrgb(101, 87, 218)
HSLhsl(246, 64%, 60%)
HSVhsv(246, 60%, 85%)
CMYKcmyk(53.7%, 60.1%, 0%, 14.5%)
CIE-LABlab(45.14, 40.76, -65.55)
CIE-LCHlch(45.14, 77.19, 301.87°)
OKLaboklab(54.4% 0.0425 -0.188)
OKLCHoklch(54.4% 0.193 282.7)
XYZxyz(21.4260, 14.6438, 68.0136)
Luminance0.1464 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6557DA #CCDA57
analogous
#578BDA #6557DA #A657DA
triadic
#6557DA #DA6557 #57DA65
tetradic
#6557DA #DA578B #CCDA57 #57DAA6
square
#6557DA #DA578B #CCDA57 #57DAA6
split-complementary
#6557DA #DAA657 #8BDA57
monochromatic
#2D2196 #3D2CC8 #6557DA #9389E5 #C1BBF0

Accessibility & contrast

On white

5.34
#6557DA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.93
#6557DA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6557DA
5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6557DA#FFFFFF#000000##FFFFFF
##6557DA1.005.343.935.34
#FFFFFF5.341.0021.001.00
#0000003.9321.001.0021.00
##FFFFFF5.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006FDE
Deuteranopia (green-blind)
#0066D7
Tritanopia (blue-blind)
#317690
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #6557da;
/* rgb */ color: rgb(101, 87, 218);
/* oklch */ color: oklch(54.4% 0.193 282.7);
Tailwind
colors: {
  custom: {
    50: '#9a87e6',
    500: '#6557da',
    950: '#000000',
  },
}
SCSS
$custom: #6557da;
$custom-light: #9a87e6;
$custom-dark: #000000;
JSON
{
  "hex": "#6557da",
  "rgb": {
    "r": 101,
    "g": 87,
    "b": 218
  },
  "hsl": {
    "h": 246.412,
    "s": 63.902,
    "l": 59.804
  },
  "oklch": {
    "l": 0.54399,
    "c": 0.19275,
    "h": 282.7
  },
  "luminance": 0.14645
}

Semantic roles & 50–950 ramp

primary
#6557DA
secondary
#DAE0AD
accent
#E741D5
background
#FAF8FE
surface
#F3EFFC
border
#CDCAD5
text
#0F0B16
muted
#7F7C84

Preview Lab

Preview with #6557DA

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

Preview Lab → · Contrast checker → · Palette generator →

#6557DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva