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Recognised as Colour

#2900BC

  • #2900BC
  • Blue
  • Dark
  • Nearest: Medium blue

#2900BC is a blue with RGB values 41, 0, 188 and HSL 253°, 100%, 37%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2900BC#2900BC
HEX#2900BC
RGBrgb(41, 0, 188)
RGB (0–1)0.1608, 0, 0.7373
RGB percentages16.1%, 0%, 73.7%
HSLhsl(253.1, 100%, 36.9%)
HSV / HSBhsv(253.1, 100%, 73.7%)
CMYK78.2%, 100%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,687,164
CSS custom property--colour: #2900BC;

Brightness & contrast

Relative luminance0.04102WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.54:1
Contrast with white11.54:1WCAG normal text: AAA
Contrast with black1.82:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#D6FF43

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0041C0no red cones; affects about 1% of men; ΔE 32.6 from the original
Deuteranopia#0030B9no green cones; the most common form, about 1% of men; ΔE 22.8 from the original
Tritanopia#004C6Dno blue cones; rare, and affects men and women equally; ΔE 91.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.54:1WCAG large text: AAA
Contrast with black, large text1.82:1WCAG large text: Fail

Named colours

Medium blue · ΔE 9.2Blue violet · ΔE 21Dark blue · ΔE 21.5Dark violet · ΔE 23.8Navy · ΔE 26.8Dark orchid · ΔE 30.1
Nearest named CSS colourMedium blue (#0000CD)ΔE 9.24, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#93BC00
Analogous#0035BC, #8700BC
Triadic#BC2900, #00BC29
Split complementary#BC8700, #35BC00
Tetradic#BC0035, #93BC00, #00BC87

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A389FF
Lighter +30%#7B56FF
Lighter +20%#5323FF
Lighter +10%#3400EF
Darker −10%#1E0089
Darker −20%#130056
Darker −30%#080023
Darker −40%#000000
More saturated +25%#2900BC
Less saturated −25%#3618A5

Channel breakdown

R41
G0
B188
Red41 (16.1%)
Green0 (0%)
Blue188 (73.7%)
Hue253.09°
Saturation (HSL)100%
Lightness36.86%
Dominant channelBlue
Hex per channelR 29 · G 00 · B BC

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Every value on this page was computed from “2900bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.