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Colour

#2D528C

  • #2D528C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2D528C is a blue with RGB values 45, 82, 140 and HSL 217°, 51%, 36%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2D528C#2D528C
HEX#2D528C
RGBrgb(45, 82, 140)
RGB (0–1)0.1765, 0.3216, 0.549
RGB percentages17.6%, 32.2%, 54.9%
HSLhsl(216.6, 51.4%, 36.3%)
HSV / HSBhsv(216.6, 67.9%, 54.9%)
CMYK67.9%, 41.4%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,970,252
CSS custom property--colour: #2D528C;

Brightness & contrast

Relative luminance0.08486WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.79:1
Contrast with white7.79:1WCAG normal text: AAA
Contrast with black2.7:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#D2AD73

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#38578Eno red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#294E8Bno green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#005F68no blue cones; rare, and affects men and women equally; ΔE 36.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.79:1WCAG large text: AAA
Contrast with black, large text2.7:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.6Steel blue · ΔE 21Cornflower blue · ΔE 30.1Slate grey · ΔE 32.4Light slate grey · ΔE 33.9Midnight blue · ΔE 34.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8C672D
Analogous#2D828C, #382D8C
Triadic#8C2D52, #528C2D
Split complementary#8C382D, #828C2D
Tetradic#8C2D82, #8C672D, #2D8C38

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A3BCE2
Lighter +30%#7D9FD5
Lighter +20%#5683C9
Lighter +10%#3969B3
Darker −10%#213B65
Darker −20%#14253F
Darker −30%#080E18
Darker −40%#000000
More saturated +25%#164DA3
Less saturated −25%#445775

Channel breakdown

R45
G82
B140
Red45 (17.6%)
Green82 (32.2%)
Blue140 (54.9%)
Hue216.63°
Saturation (HSL)51.35%
Lightness36.27%
Dominant channelBlue
Hex per channelR 2D · G 52 · B 8C

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Every value on this page was computed from “2d528c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.