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Colour

#2B5190

  • #2B5190
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2B5190 is a blue with RGB values 43, 81, 144 and HSL 217°, 54%, 37%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2B5190#2B5190
HEX#2B5190
RGBrgb(43, 81, 144)
RGB (0–1)0.1686, 0.3176, 0.5647
RGB percentages16.9%, 31.8%, 56.5%
HSLhsl(217.4, 54%, 36.7%)
HSV / HSBhsv(217.4, 70.1%, 56.5%)
CMYK70.1%, 43.8%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,838,928
CSS custom property--colour: #2B5190;

Brightness & contrast

Relative luminance0.08412WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.83:1
Contrast with white7.83:1WCAG normal text: AAA
Contrast with black2.68:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#D4AE6F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#335792no red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#224E8Fno green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#006069no blue cones; rare, and affects men and women equally; ΔE 39.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.83:1WCAG large text: AAA
Contrast with black, large text2.68:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.2Steel blue · ΔE 22.7Cornflower blue · ΔE 29.1Midnight blue · ΔE 31.8Royal blue · ΔE 34.4Dodgerblue · ΔE 34.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.21, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#906A2B
Analogous#2B8390, #382B90
Triadic#902B51, #51902B
Split complementary#90382B, #83902B
Tetradic#902B83, #906A2B, #2B9038

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A3BCE4
Lighter +30%#7C9FD8
Lighter +20%#5582CC
Lighter +10%#3767B7
Darker −10%#1F3B69
Darker −20%#142541
Darker −30%#080F1A
Darker −40%#000000
More saturated +25%#144BA7
Less saturated −25%#425779

Channel breakdown

R43
G81
B144
Red43 (16.9%)
Green81 (31.8%)
Blue144 (56.5%)
Hue217.43°
Saturation (HSL)54.01%
Lightness36.67%
Dominant channelBlue
Hex per channelR 2B · G 51 · B 90

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Every value on this page was computed from “2b5190” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.