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Recognised as Colour

#6766DD

  • #6766DD
  • Blue
  • Dark
  • Nearest: Slate blue

#6766DD is a blue with RGB values 103, 102, 221 and HSL 241°, 64%, 63%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#6766DD#6766DD
HEX#6766DD
RGBrgb(103, 102, 221)
RGB (0–1)0.4039, 0.4, 0.8667
RGB percentages40.4%, 40%, 86.7%
HSLhsl(240.5, 63.6%, 63.3%)
HSV / HSBhsv(240.5, 53.8%, 86.7%)
CMYK53.4%, 53.8%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,776,541
CSS custom property--colour: #6766DD;

Brightness & contrast

Relative luminance0.17607WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.64:1
Contrast with white4.64:1WCAG normal text: AA
Contrast with black4.52:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#989922

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1D79E1no red cones; affects about 1% of men; ΔE 20.6 from the original
Deuteranopia#0070DAno green cones; the most common form, about 1% of men; ΔE 18.7 from the original
Tritanopia#318198no blue cones; rare, and affects men and women equally; ΔE 64.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.64:1WCAG large text: AAA
Contrast with black, large text4.52:1WCAG large text: AAA

Named colours

Slate blue · ΔE 5.7Royal blue · ΔE 8.2Medium slateblue · ΔE 9.6Medium purple · ΔE 13Rebecca purple · ΔE 23.4Dodgerblue · ΔE 25.5
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 5.69, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DCDD66
Analogous#66A0DD, #A366DD
Triadic#DD6766, #66DD67
Split complementary#DDA366, #A0DD66
Tetradic#DD66A1, #DCDD66, #66DDA3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E3E3F9
Lighter +20%#BAB9F0
Lighter +10%#9090E6
Darker −10%#3E3CD4
Darker −20%#2928B5
Darker −30%#201F8B
Darker −40%#161661
More saturated +25%#504FF4
Less saturated −25%#7E7DC6

Channel breakdown

R103
G102
B221
Red103 (40.4%)
Green102 (40%)
Blue221 (86.7%)
Hue240.5°
Saturation (HSL)63.64%
Lightness63.33%
Dominant channelBlue
Hex per channelR 67 · G 66 · B DD

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Every value on this page was computed from “6766dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.