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Colour

#2B75AA

  • #2B75AA
  • Blue
  • Dark
  • Nearest: Steel blue

#2B75AA is a blue with RGB values 43, 117, 170 and HSL 205°, 60%, 42%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2B75AA#2B75AA
HEX#2B75AA
RGBrgb(43, 117, 170)
RGB (0–1)0.1686, 0.4588, 0.6667
RGB percentages16.9%, 45.9%, 66.7%
HSLhsl(205, 59.6%, 41.8%)
HSV / HSBhsv(205, 74.7%, 66.7%)
CMYK74.7%, 31.2%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,848,170
CSS custom property--colour: #2B75AA;

Brightness & contrast

Relative luminance0.16138WCAG 2.x, 0 is black and 1 is white
Perceived brightness109 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.97:1
Contrast with white4.97:1WCAG normal text: AA
Contrast with black4.23:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#D48A55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5D76ACno red cones; affects about 1% of men; ΔE 10.9 from the original
Deuteranopia#4B6AA9no green cones; the most common form, about 1% of men; ΔE 12.6 from the original
Tritanopia#008288no blue cones; rare, and affects men and women equally; ΔE 32.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.97:1WCAG large text: AAA
Contrast with black, large text4.23:1WCAG large text: AA

Named colours

Steel blue · ΔE 5.9Cornflower blue · ΔE 24.8Slate grey · ΔE 25Light slate grey · ΔE 25.3Deep skyblue · ΔE 29.7Light skyblue · ΔE 33.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 5.92, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA602B
Analogous#2BAA9F, #2B36AA
Triadic#AA2B75, #75AA2B
Split complementary#AA2B35, #AA9F2B
Tetradic#A02BAA, #AA602B, #36AA2B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B5D5EC
Lighter +30%#8CBEE2
Lighter +20%#63A7D8
Lighter +10%#3B90CD
Darker −10%#215981
Darker −20%#163D59
Darker −30%#0C2130
Darker −40%#020507
More saturated +25%#1079C5
Less saturated −25%#46718F

Channel breakdown

R43
G117
B170
Red43 (16.9%)
Green117 (45.9%)
Blue170 (66.7%)
Hue205.04°
Saturation (HSL)59.62%
Lightness41.76%
Dominant channelBlue
Hex per channelR 2B · G 75 · B AA

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Every value on this page was computed from “2b75aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.