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Recognised as Colour

#839CDA

  • #839CDA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#839CDA is a blue with RGB values 131, 156, 218 and HSL 223°, 54%, 68%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#839CDA#839CDA
HEX#839CDA
RGBrgb(131, 156, 218)
RGB (0–1)0.5137, 0.6118, 0.8549
RGB percentages51.4%, 61.2%, 85.5%
HSLhsl(222.8, 54%, 68.4%)
HSV / HSBhsv(222.8, 39.9%, 85.5%)
CMYK39.9%, 28.4%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,625,370
CSS custom property--colour: #839CDA;

Brightness & contrast

Relative luminance0.33664WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.73:1
Contrast with white2.72:1WCAG normal text: Fail
Contrast with black7.73:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#7C6325

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#87A1DDno red cones; affects about 1% of men; ΔE 2.2 from the original
Deuteranopia#7E99D9no green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#66A9B2no blue cones; rare, and affects men and women equally; ΔE 34.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.72:1WCAG large text: Fail
Contrast with black, large text7.73:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 15.4Steel blue · ΔE 16.5Light skyblue · ΔE 23.9Light steelblue · ΔE 24.9Light slate grey · ΔE 26.4Deep skyblue · ΔE 26.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 15.44, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAC183
Analogous#83C8DA, #9583DA
Triadic#DA839C, #9CDA83
Split complementary#DA9583, #C7DA83
Tetradic#DA83C8, #DAC183, #83DA96

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F9FAFD
Lighter +20%#D2DBF1
Lighter +10%#AABBE6
Darker −10%#5C7DCE
Darker −20%#395FBE
Darker −30%#2D4B97
Darker −40%#213870
More saturated +25%#6F93EE
Less saturated −25%#97A5C6

Channel breakdown

R131
G156
B218
Red131 (51.4%)
Green156 (61.2%)
Blue218 (85.5%)
Hue222.76°
Saturation (HSL)54.04%
Lightness68.43%
Dominant channelBlue
Hex per channelR 83 · G 9C · B DA

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Every value on this page was computed from “839cda” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.