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Colour

#005ACD

  • #005ACD
  • Blue
  • Dark
  • Nearest: Royal blue

#005ACD is a blue with RGB values 0, 90, 205 and HSL 214°, 100%, 40%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#005ACD#005ACD
HEX#005ACD
RGBrgb(0, 90, 205)
RGB (0–1)0, 0.3529, 0.8039
RGB percentages0%, 35.3%, 80.4%
HSLhsl(213.7, 100%, 40.2%)
HSV / HSBhsv(213.7, 100%, 80.4%)
CMYK100%, 56.1%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer23,245
CSS custom property--colour: #005ACD;

Brightness & contrast

Relative luminance0.1172WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.28:1
Contrast with white6.28:1WCAG normal text: AA
Contrast with black3.34:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#FFA532

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0069D1no red cones; affects about 1% of men; ΔE 10.6 from the original
Deuteranopia#0058CBno green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#00778Bno blue cones; rare, and affects men and women equally; ΔE 64.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.28:1WCAG large text: AAA
Contrast with black, large text3.34:1WCAG large text: AA

Named colours

Royal blue · ΔE 7.6Slate blue · ΔE 15.3Medium slateblue · ΔE 20.9Dodgerblue · ΔE 23.1Medium purple · ΔE 24.7Dark slateblue · ΔE 25.5
Nearest named CSS colourRoyal blue (#4169E1)ΔE 7.57, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD7300
Analogous#00C1CD, #0C00CD
Triadic#CD005A, #5ACD00
Split complementary#CD0C00, #C1CD00
Tetradic#CD00C1, #CD7300, #00CD0C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9AC6FF
Lighter +30%#67AAFF
Lighter +20%#348DFF
Lighter +10%#0171FF
Darker −10%#00449A
Darker −20%#002D67
Darker −30%#001734
Darker −40%#000001
More saturated +25%#005ACD
Less saturated −25%#1A5DB3

Channel breakdown

R0
G90
B205
Red0 (0%)
Green90 (35.3%)
Blue205 (80.4%)
Hue213.66°
Saturation (HSL)100%
Lightness40.2%
Dominant channelBlue
Hex per channelR 00 · G 5A · B CD

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Every value on this page was computed from “005acd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.