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Recognised as Colour

#2D4AAF

  • #2D4AAF
  • Blue
  • Dark
  • Nearest: Slate blue

#2D4AAF is a blue with RGB values 45, 74, 175 and HSL 227°, 59%, 43%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2D4AAF#2D4AAF
HEX#2D4AAF
RGBrgb(45, 74, 175)
RGB (0–1)0.1765, 0.2902, 0.6863
RGB percentages17.6%, 29%, 68.6%
HSLhsl(226.6, 59.1%, 43.1%)
HSV / HSBhsv(226.6, 74.3%, 68.6%)
CMYK74.3%, 57.7%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,968,239
CSS custom property--colour: #2D4AAF;

Brightness & contrast

Relative luminance0.08551WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.75:1
Contrast with white7.75:1WCAG normal text: AAA
Contrast with black2.71:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#D2B550

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0059B2no red cones; affects about 1% of men; ΔE 13.1 from the original
Deuteranopia#004DADno green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#006375no blue cones; rare, and affects men and women equally; ΔE 58.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.75:1WCAG large text: AAA
Contrast with black, large text2.71:1WCAG large text: Fail

Named colours

Slate blue · ΔE 14.8Royal blue · ΔE 15.2Dark slateblue · ΔE 15.6Rebecca purple · ΔE 20.2Midnight blue · ΔE 21.6Medium purple · ΔE 24
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 14.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF922D
Analogous#2D8BAF, #512DAF
Triadic#AF2D4A, #4AAF2D
Split complementary#AF512D, #8BAF2D
Tetradic#AF2D8B, #AF922D, #2DAF51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBC6ED
Lighter +30%#92A4E3
Lighter +20%#6982D9
Lighter +10%#4160CE
Darker −10%#233986
Darker −20%#18285E
Darker −30%#0E1735
Darker −40%#03050D
More saturated +25%#123BCB
Less saturated −25%#495993

Channel breakdown

R45
G74
B175
Red45 (17.6%)
Green74 (29%)
Blue175 (68.6%)
Hue226.62°
Saturation (HSL)59.09%
Lightness43.14%
Dominant channelBlue
Hex per channelR 2D · G 4A · B AF

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Every value on this page was computed from “2d4aaf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.