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Colour

#2B70AA

  • #2B70AA
  • Blue
  • Dark
  • Nearest: Steel blue

#2B70AA is a blue with RGB values 43, 112, 170 and HSL 207°, 60%, 42%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2B70AA#2B70AA
HEX#2B70AA
RGBrgb(43, 112, 170)
RGB (0–1)0.1686, 0.4392, 0.6667
RGB percentages16.9%, 43.9%, 66.7%
HSLhsl(207.4, 59.6%, 41.8%)
HSV / HSBhsv(207.4, 74.7%, 66.7%)
CMYK74.7%, 34.1%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,846,890
CSS custom property--colour: #2B70AA;

Brightness & contrast

Relative luminance0.15004WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.25:1
Contrast with white5.25:1WCAG normal text: AA
Contrast with black4:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#D48F55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5573ACno red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#4367A9no green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#007E85no blue cones; rare, and affects men and women equally; ΔE 35.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.25:1WCAG large text: AAA
Contrast with black, large text4:1WCAG large text: AA

Named colours

Steel blue · ΔE 8.9Cornflower blue · ΔE 22.9Slate grey · ΔE 27.6Light slate grey · ΔE 28Dark slateblue · ΔE 31.5Dodgerblue · ΔE 31.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.88, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA652B
Analogous#2BAAA5, #2B30AA
Triadic#AA2B70, #70AA2B
Split complementary#AA2B30, #AAA52B
Tetradic#A42BAA, #AA652B, #30AA2B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B5D3EC
Lighter +30%#8CBBE2
Lighter +20%#63A3D8
Lighter +10%#3B8ACD
Darker −10%#215581
Darker −20%#163A59
Darker −30%#0C2030
Darker −40%#020507
More saturated +25%#1072C5
Less saturated −25%#466E8F

Channel breakdown

R43
G112
B170
Red43 (16.9%)
Green112 (43.9%)
Blue170 (66.7%)
Hue207.4°
Saturation (HSL)59.62%
Lightness41.76%
Dominant channelBlue
Hex per channelR 2B · G 70 · B AA

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Every value on this page was computed from “2b70aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.