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Recognised as Colour

#2B5D82

  • #2B5D82
  • Blue
  • Dark
  • Nearest: Steel blue

#2B5D82 is a blue with RGB values 43, 93, 130 and HSL 206°, 50%, 34%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#2B5D82#2B5D82
HEX#2B5D82
RGBrgb(43, 93, 130)
RGB (0–1)0.1686, 0.3647, 0.5098
RGB percentages16.9%, 36.5%, 51%
HSLhsl(205.5, 50.3%, 33.9%)
HSV / HSBhsv(205.5, 66.9%, 51%)
CMYK66.9%, 28.5%, 0%, 49%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,841,986
CSS custom property--colour: #2B5D82;

Brightness & contrast

Relative luminance0.09954WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.02:1
Contrast with white7.02:1WCAG normal text: AAA
Contrast with black2.99:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#D4A27D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C5E84no red cones; affects about 1% of men; ΔE 8.6 from the original
Deuteranopia#415581no green cones; the most common form, about 1% of men; ΔE 9.9 from the original
Tritanopia#00666Ano blue cones; rare, and affects men and women equally; ΔE 24.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.02:1WCAG large text: AAA
Contrast with black, large text2.99:1WCAG large text: Fail

Named colours

Steel blue · ΔE 16.1Slate grey · ΔE 21.5Light slate grey · ΔE 23.4Dark slate grey · ΔE 24Dim grey · ΔE 26.9Gray · ΔE 30.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.09, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#82502B
Analogous#2B827C, #2B3282
Triadic#822B5D, #5D822B
Split complementary#822B31, #827C2B
Tetradic#7C2B82, #82502B, #32822B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BC1DE
Lighter +30%#75AAD1
Lighter +20%#4E92C5
Lighter +10%#3878A8
Darker −10%#1E425C
Darker −20%#122635
Darker −30%#050B0F
Darker −40%#000000
More saturated +25%#156098
Less saturated −25%#415A6C

Channel breakdown

R43
G93
B130
Red43 (16.9%)
Green93 (36.5%)
Blue130 (51%)
Hue205.52°
Saturation (HSL)50.29%
Lightness33.92%
Dominant channelBlue
Hex per channelR 2B · G 5D · B 82

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Every value on this page was computed from “2b5d82” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.