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Recognised as Colour

#2B6EA4

  • #2B6EA4
  • Blue
  • Dark
  • Nearest: Steel blue

#2B6EA4 is a blue with RGB values 43, 110, 164 and HSL 207°, 58%, 41%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2B6EA4#2B6EA4
HEX#2B6EA4
RGBrgb(43, 110, 164)
RGB (0–1)0.1686, 0.4314, 0.6431
RGB percentages16.9%, 43.1%, 64.3%
HSLhsl(206.8, 58.5%, 40.6%)
HSV / HSBhsv(206.8, 73.8%, 64.3%)
CMYK73.8%, 32.9%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,846,372
CSS custom property--colour: #2B6EA4;

Brightness & contrast

Relative luminance0.14346WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.43:1
Contrast with white5.43:1WCAG normal text: AA
Contrast with black3.87:1WCAG normal text: Fail
Greyscale equivalent#646464
Inverted#D4915B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5570A6no red cones; affects about 1% of men; ΔE 8.8 from the original
Deuteranopia#4465A3no green cones; the most common form, about 1% of men; ΔE 10.1 from the original
Tritanopia#007B81no blue cones; rare, and affects men and women equally; ΔE 33.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.43:1WCAG large text: AAA
Contrast with black, large text3.87:1WCAG large text: AA

Named colours

Steel blue · ΔE 8.5Cornflower blue · ΔE 25.2Slate grey · ΔE 25.8Light slate grey · ΔE 26.5Dark slateblue · ΔE 32.4Deep skyblue · ΔE 32.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.45, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A4612B
Analogous#2BA49E, #2B31A4
Triadic#A42B6E, #6EA42B
Split complementary#A42B31, #A49E2B
Tetradic#9E2BA4, #A4612B, #31A42B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B1D1EA
Lighter +30%#88B9E0
Lighter +20%#60A1D5
Lighter +10%#3789CB
Darker −10%#20537C
Darker −20%#163853
Darker −30%#0B1D2B
Darker −40%#010202
More saturated +25%#1171BE
Less saturated −25%#456B8A

Channel breakdown

R43
G110
B164
Red43 (16.9%)
Green110 (43.1%)
Blue164 (64.3%)
Hue206.78°
Saturation (HSL)58.45%
Lightness40.59%
Dominant channelBlue
Hex per channelR 2B · G 6E · B A4

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Every value on this page was computed from “2b6ea4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.