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Recognised as Colour

#2D5FAC

  • #2D5FAC
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2D5FAC is a blue with RGB values 45, 95, 172 and HSL 216°, 59%, 43%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2D5FAC#2D5FAC
HEX#2D5FAC
RGBrgb(45, 95, 172)
RGB (0–1)0.1765, 0.3725, 0.6745
RGB percentages17.6%, 37.3%, 67.5%
HSLhsl(216.4, 58.5%, 42.5%)
HSV / HSBhsv(216.4, 73.8%, 67.5%)
CMYK73.8%, 44.8%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,973,612
CSS custom property--colour: #2D5FAC;

Brightness & contrast

Relative luminance0.11721WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.3 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#5A5A5A
Inverted#D2A053

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3866AFno red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#205BAAno green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#00717Dno blue cones; rare, and affects men and women equally; ΔE 45.6 from the original
Distinguishable without hueYesnever 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

Dark slateblue · ΔE 19Cornflower blue · ΔE 21.4Steel blue · ΔE 23.2Dodgerblue · ΔE 25.4Royal blue · ΔE 25.9Slate blue · ΔE 28.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.98, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AC7A2D
Analogous#2D9EAC, #3B2DAC
Triadic#AC2D5F, #5FAC2D
Split complementary#AC3B2D, #9EAC2D
Tetradic#AC2D9E, #AC7A2D, #2DAC3B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8CDED
Lighter +30%#90B0E2
Lighter +20%#6894D7
Lighter +10%#3F77CD
Darker −10%#224984
Darker −20%#18325B
Darker −30%#0D1C33
Darker −40%#03060A
More saturated +25%#1259C7
Less saturated −25%#486591

Channel breakdown

R45
G95
B172
Red45 (17.6%)
Green95 (37.3%)
Blue172 (67.5%)
Hue216.38°
Saturation (HSL)58.53%
Lightness42.55%
Dominant channelBlue
Hex per channelR 2D · G 5F · B AC

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Every value on this page was computed from “2d5fac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.