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Colour

#C9D8FF

  • #C9D8FF
  • Blue
  • Light
  • Nearest: Light steelblue

#C9D8FF is a blue with RGB values 201, 216, 255 and HSL 223°, 100%, 89%. It is a light colour, so black text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#C9D8FF#C9D8FF
HEX#C9D8FF
RGBrgb(201, 216, 255)
RGB (0–1)0.7882, 0.8471, 1
RGB percentages78.8%, 84.7%, 100%
HSLhsl(223.3, 100%, 89.4%)
HSV / HSBhsv(223.3, 21.2%, 100%)
CMYK21.2%, 15.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,228,287
CSS custom property--colour: #C9D8FF;

Brightness & contrast

Relative luminance0.68749WCAG 2.x, 0 is black and 1 is white
Perceived brightness216.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.75:1
Contrast with white1.42:1WCAG normal text: Fail
Contrast with black14.75:1WCAG normal text: AAA
Greyscale equivalent#D8D8D8
Inverted#362700

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CCDBFFno red cones; affects about 1% of men; ΔE 1.9 from the original
Deuteranopia#C8D6FEno green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#BCDFE5no blue cones; rare, and affects men and women equally; ΔE 19.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.42:1WCAG large text: Fail
Contrast with black, large text14.75:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 10.5Lavender · ΔE 12.3Thistle · ΔE 16.6Light blue · ΔE 16.9Light skyblue · ΔE 17.2Sky blue · ΔE 19.2
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 10.54, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFF0C9
Analogous#C9F3FF, #D5C9FF
Triadic#FFC9D8, #D8FFC9
Split complementary#FFD5C9, #F3FFC9
Tetradic#FFC9F3, #FFF0C9, #C9FFD5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#FCFDFF
Darker −10%#96B3FF
Darker −20%#638EFF
Darker −30%#3069FF
Darker −40%#0046FC
More saturated +25%#C9D8FF
Less saturated −25%#D0DBF8

Channel breakdown

R201
G216
B255
Red201 (78.8%)
Green216 (84.7%)
Blue255 (100%)
Hue223.33°
Saturation (HSL)100%
Lightness89.41%
Dominant channelBlue
Hex per channelR C9 · G D8 · B FF

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Every value on this page was computed from “c9d8ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.