Colour

#2D5AB5

#2D5AB5
Blue
Dark
Nearest: Dark slateblue

#2D5AB5 is a blue with RGB values 45, 90, 181 and HSL 220°, 60%, 44%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2D5AB5#2D5AB5

HEX#2D5AB5

RGBrgb(45, 90, 181)

RGB (0–1)0.1765, 0.3529, 0.7098

RGB percentages17.6%, 35.3%, 71%

HSLhsl(220.1, 60.2%, 44.3%)

HSV / HSBhsv(220.1, 75.1%, 71%)

CMYK75.1%, 50.3%, 0%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,972,341

CSS custom property--colour: #2D5AB5;

Brightness & contrast

Relative luminance0.11206WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.48:1

Contrast with white6.48:1WCAG normal text: AA

Contrast with black3.24:1WCAG normal text: Fail

Greyscale equivalent#575757

Inverted#D2A54A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2365B8no red cones; affects about 1% of men; ΔE 8.3 from the original

Deuteranopia#0058B3no green cones; the most common form, about 1% of men; ΔE 3.6 from the original

Tritanopia#00707Fno blue cones; rare, and affects men and women equally; ΔE 53.1 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text6.48:1WCAG large text: AAA

Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 16.7 Royal blue · ΔE 17.4 Slate blue · ΔE 20.4 Dodgerblue · ΔE 23.3 Cornflower blue · ΔE 23.6 Medium purple · ΔE 25

Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.65, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#B5882D

Analogous#2D9EB5, #442DB5

Triadic#B52D5A, #5AB52D

Split complementary#B5442D, #9EB52D

Tetradic#B52D9E, #B5882D, #2DB544

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#BFCFEF

Lighter +30%#96B0E5

Lighter +20%#6D91DB

Lighter +10%#4473D1

Darker −10%#23468C

Darker −20%#193163

Darker −30%#0F1D3A

Darker −40%#040912

More saturated +25%#1150D1

Less saturated −25%#496499

Channel breakdown

R45

G90

B181

Red45 (17.6%)

Green90 (35.3%)

Blue181 (71%)

Hue220.15°

Saturation (HSL)60.18%

Lightness44.31%

Dominant channelBlue

Hex per channelR 2D · G 5A · B B5

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#2D5AB5

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

Nerdulate something else