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Recognised as Colour

#282D65

  • #282D65
  • Blue
  • Dark
  • Nearest: Dark slateblue

#282D65 is a blue with RGB values 40, 45, 101 and HSL 235°, 43%, 28%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#282D65#282D65
HEX#282D65
RGBrgb(40, 45, 101)
RGB (0–1)0.1569, 0.1765, 0.3961
RGB percentages15.7%, 17.6%, 39.6%
HSLhsl(235.1, 43.3%, 27.6%)
HSV / HSBhsv(235.1, 60.4%, 39.6%)
CMYK60.4%, 55.4%, 0%, 60.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,633,061
CSS custom property--colour: #282D65;

Brightness & contrast

Relative luminance0.03267WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.7:1
Contrast with white12.7:1WCAG normal text: AAA
Contrast with black1.65:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#D7D29A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0D3567no red cones; affects about 1% of men; ΔE 9.5 from the original
Deuteranopia#023064no green cones; the most common form, about 1% of men; ΔE 8.2 from the original
Tritanopia#043A44no blue cones; rare, and affects men and women equally; ΔE 36.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.7:1WCAG large text: AAA
Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16Midnight blue · ΔE 22.6Rebecca purple · ΔE 31.9Steel blue · ΔE 37.5Slate blue · ΔE 39.3Indigo · ΔE 40.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.01, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#656028
Analogous#284C65, #412865
Triadic#65282D, #2D6528
Split complementary#654228, #4C6528
Tetradic#65284C, #656028, #286542

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#898FD0
Lighter +30%#646CC2
Lighter +20%#454EAE
Lighter +10%#363D8A
Darker −10%#1A1D40
Darker −20%#0B0C1C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#161E77
Less saturated −25%#3A3C53

Channel breakdown

R40
G45
B101
Red40 (15.7%)
Green45 (17.6%)
Blue101 (39.6%)
Hue235.08°
Saturation (HSL)43.26%
Lightness27.65%
Dominant channelBlue
Hex per channelR 28 · G 2D · B 65

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Every value on this page was computed from “282d65” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.