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Colour

#2900FF

  • #2900FF
  • Blue
  • Dark
  • Nearest: Blue

#2900FF is a blue with RGB values 41, 0, 255 and HSL 250°, 100%, 50%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#2900FF#2900FF
HEX#2900FF
RGBrgb(41, 0, 255)
RGB (0–1)0.1608, 0, 1
RGB percentages16.1%, 0%, 100%
HSLhsl(249.6, 100%, 50%)
HSV / HSBhsv(249.6, 100%, 100%)
CMYK83.9%, 100%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,687,231
CSS custom property--colour: #2900FF;

Brightness & contrast

Relative luminance0.07691WCAG 2.x, 0 is black and 1 is white
Perceived brightness89 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.27:1
Contrast with white8.27:1WCAG normal text: AAA
Contrast with black2.54:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#D6FF00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005AFFno red cones; affects about 1% of men; ΔE 43.2 from the original
Deuteranopia#0041FBno green cones; the most common form, about 1% of men; ΔE 26.8 from the original
Tritanopia#006B96no blue cones; rare, and affects men and women equally; ΔE 117.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.27:1WCAG large text: AAA
Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Blue · ΔE 2.1Medium blue · ΔE 20.9Blue violet · ΔE 34Dark violet · ΔE 36.4Dark orchid · ΔE 49.2Dark blue · ΔE 50.9
Nearest named CSS colourBlue (#0000FF)ΔE 2.06, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D6FF00
Analogous#0057FF, #A800FF
Triadic#FF2900, #00FF29
Split complementary#FFA800, #57FF00
Tetradic#FF0057, #D6FF00, #00FFA8

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4CCFF
Lighter +30%#A999FF
Lighter +20%#7F66FF
Lighter +10%#5433FF
Darker −10%#2100CC
Darker −20%#190099
Darker −30%#100066
Darker −40%#080033
More saturated +25%#2900FF
Less saturated −25%#3F20DF

Channel breakdown

R41
G0
B255
Red41 (16.1%)
Green0 (0%)
Blue255 (100%)
Hue249.65°
Saturation (HSL)100%
Lightness50%
Dominant channelBlue
Hex per channelR 29 · G 00 · B FF

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