Recognised as Colour

#281D43

#281D43
Violet
Dark
Nearest: Dark slateblue

#281D43 is a violet with RGB values 40, 29, 67 and HSL 257°, 40%, 19%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#281D43#281D43

HEX#281D43

RGBrgb(40, 29, 67)

RGB (0–1)0.1569, 0.1137, 0.2627

RGB percentages15.7%, 11.4%, 26.3%

HSLhsl(257.4, 39.6%, 18.8%)

HSV / HSBhsv(257.4, 56.7%, 26.3%)

CMYK40.3%, 56.7%, 0%, 73.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,628,931

CSS custom property--colour: #281D43;

Brightness & contrast

Relative luminance0.01735WCAG 2.x, 0 is black and 1 is white

Perceived brightness38.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.59:1

Contrast with white15.59:1WCAG normal text: AAA

Contrast with black1.35:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#D7E2BC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0F2444no red cones; affects about 1% of men; ΔE 11.3 from the original

Deuteranopia#112342no green cones; the most common form, about 1% of men; ΔE 11 from the original

Tritanopia#22242Cno blue cones; rare, and affects men and women equally; ΔE 22.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.59:1WCAG large text: AAA

Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 28 Black · ΔE 30.7 Midnight blue · ΔE 31.7 Dark slate grey · ΔE 37.3 Dim grey · ΔE 40.8 Rebecca purple · ΔE 41.4

Nearest named CSS colourDark slateblue (#483D8B)ΔE 27.96, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#38431D

Analogous#1D2543, #3B1D43

Triadic#43281D, #1D4328

Split complementary#433B1D, #25431D

Tetradic#431D25, #38431D, #1D433B

Tints, shades & saturation

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

Lighter +40%#856CC0

Lighter +30%#684BAE

Lighter +20%#533C8A

Lighter +10%#3D2C67

Darker −10%#130E1F

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#23114F

Less saturated −25%#2D2937

Channel breakdown

R40

G29

B67

Red40 (15.7%)

Green29 (11.4%)

Blue67 (26.3%)

Hue257.37°

Saturation (HSL)39.58%

Lightness18.82%

Dominant channelBlue

Hex per channelR 28 · G 1D · B 43

Keep nerding

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

#281D43

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

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