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Colour

#282B91

  • #282B91
  • Blue
  • Dark
  • Nearest: Midnight blue

#282B91 is a blue with RGB values 40, 43, 145 and HSL 238°, 57%, 36%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#282B91#282B91
HEX#282B91
RGBrgb(40, 43, 145)
RGB (0–1)0.1569, 0.1686, 0.5686
RGB percentages15.7%, 16.9%, 56.9%
HSLhsl(238.3, 56.8%, 36.3%)
HSV / HSBhsv(238.3, 72.4%, 56.9%)
CMYK72.4%, 70.3%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,632,593
CSS custom property--colour: #282B91;

Brightness & contrast

Relative luminance0.04223WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.38:1
Contrast with white11.38:1WCAG normal text: AAA
Contrast with black1.84:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#D7D46E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003F94no red cones; affects about 1% of men; ΔE 16.8 from the original
Deuteranopia#00358Fno green cones; the most common form, about 1% of men; ΔE 11 from the original
Tritanopia#00475Ano blue cones; rare, and affects men and women equally; ΔE 60.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.38:1WCAG large text: AAA
Contrast with black, large text1.84:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.1Rebecca purple · ΔE 15.4Dark slateblue · ΔE 17.5Indigo · ΔE 18.4Navy · ΔE 19.6Slate blue · ΔE 21.1
Nearest named CSS colourMidnight blue (#191970)ΔE 11.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#918E28
Analogous#286091, #592891
Triadic#91282B, #2B9128
Split complementary#915A28, #609128
Tetradic#912860, #918E28, #289159

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A0A2E5
Lighter +30%#787BDA
Lighter +20%#5054CF
Lighter +10%#3337B9
Darker −10%#1D1F69
Darker −20%#121341
Darker −30%#070719
Darker −40%#000000
More saturated +25%#1115A8
Less saturated −25%#3F417A

Channel breakdown

R40
G43
B145
Red40 (15.7%)
Green43 (16.9%)
Blue145 (56.9%)
Hue238.29°
Saturation (HSL)56.76%
Lightness36.27%
Dominant channelBlue
Hex per channelR 28 · G 2B · B 91

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Every value on this page was computed from “282b91” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.