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Recognised as Colour

#6BB8DD

  • #6BB8DD
  • Cyan
  • Dark
  • Nearest: Sky blue

#6BB8DD is a cyan with RGB values 107, 184, 221 and HSL 199°, 63%, 64%. It is a dark colour, so black text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#6BB8DD#6BB8DD
HEX#6BB8DD
RGBrgb(107, 184, 221)
RGB (0–1)0.4196, 0.7216, 0.8667
RGB percentages42%, 72.2%, 86.7%
HSLhsl(199.5, 62.6%, 64.3%)
HSV / HSBhsv(199.5, 51.6%, 86.7%)
CMYK51.6%, 16.7%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,059,677
CSS custom property--colour: #6BB8DD;

Brightness & contrast

Relative luminance0.42627WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.53:1
Contrast with white2.2:1WCAG normal text: Fail
Contrast with black9.53:1WCAG normal text: AAA
Greyscale equivalent#AAAAAA
Inverted#944722

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A5B6DFno red cones; affects about 1% of men; ΔE 17.4 from the original
Deuteranopia#95A9DDno green cones; the most common form, about 1% of men; ΔE 19.1 from the original
Tritanopia#25C2C4no blue cones; rare, and affects men and women equally; ΔE 26.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.2:1WCAG large text: Fail
Contrast with black, large text9.53:1WCAG large text: AAA

Named colours

Sky blue · ΔE 9.2Light skyblue · ΔE 9.3Deep skyblue · ΔE 17.2Light steelblue · ΔE 17.9Light blue · ΔE 19.3Cadetblue · ΔE 21.9
Nearest named CSS colourSky blue (#87CEEB)ΔE 9.22, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD906B
Analogous#6BDDC9, #6B7FDD
Triadic#DD6BB8, #B8DD6B
Split complementary#DD6B7F, #DDC96B
Tetradic#C96BDD, #DD906B, #7FDD6B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E7F4FA
Lighter +20%#BEE0F0
Lighter +10%#94CCE7
Darker −10%#42A4D3
Darker −20%#2A8AB8
Darker −30%#216B8E
Darker −40%#174C65
More saturated +25%#54C0F4
Less saturated −25%#82B0C6

Channel breakdown

R107
G184
B221
Red107 (42%)
Green184 (72.2%)
Blue221 (86.7%)
Hue199.47°
Saturation (HSL)62.64%
Lightness64.31%
Dominant channelBlue
Hex per channelR 6B · G B8 · B DD

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Every value on this page was computed from “6bb8dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.