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Colour

#2A283D

  • #2A283D
  • Blue
  • Dark
  • Nearest: Black

#2A283D is a blue with RGB values 42, 40, 61 and HSL 246°, 21%, 20%. It is a dark colour, so white text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#2A283D#2A283D
HEX#2A283D
RGBrgb(42, 40, 61)
RGB (0–1)0.1647, 0.1569, 0.2392
RGB percentages16.5%, 15.7%, 23.9%
HSLhsl(245.7, 20.8%, 19.8%)
HSV / HSBhsv(245.7, 34.4%, 23.9%)
CMYK31.1%, 34.4%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,762,813
CSS custom property--colour: #2A283D;

Brightness & contrast

Relative luminance0.02347WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.29:1
Contrast with white14.29:1WCAG normal text: AAA
Contrast with black1.47:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#D5D7C2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#222B3Eno red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#222A3Cno green cones; the most common form, about 1% of men; ΔE 4.6 from the original
Tritanopia#262C2Fno blue cones; rare, and affects men and women equally; ΔE 13.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.29:1WCAG large text: AAA
Contrast with black, large text1.47:1WCAG large text: Fail

Named colours

Black · ΔE 22.6Dark slate grey · ΔE 24.9Dim grey · ΔE 30.9Slate grey · ΔE 36.8Dark slateblue · ΔE 37.5Gray · ΔE 39.2
Nearest named CSS colourBlack (#000000)ΔE 22.6, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3B3D28
Analogous#28313D, #34283D
Triadic#3D2A28, #283D2A
Split complementary#3D3428, #313D28
Tetradic#3D2831, #3B3D28, #283D34

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8783AE
Lighter +30%#6A6599
Lighter +20%#54507B
Lighter +10%#3F3C5C
Darker −10%#15141E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#201B4A
Less saturated −25%#333333

Channel breakdown

R42
G40
B61
Red42 (16.5%)
Green40 (15.7%)
Blue61 (23.9%)
Hue245.71°
Saturation (HSL)20.79%
Lightness19.8%
Dominant channelBlue
Hex per channelR 2A · G 28 · B 3D

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Every value on this page was computed from “2a283d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.