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Colour

#2D284E

  • #2D284E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2D284E is a blue with RGB values 45, 40, 78 and HSL 248°, 32%, 23%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2D284E#2D284E
HEX#2D284E
RGBrgb(45, 40, 78)
RGB (0–1)0.1765, 0.1569, 0.3059
RGB percentages17.6%, 15.7%, 30.6%
HSLhsl(247.9, 32.2%, 23.1%)
HSV / HSBhsv(247.9, 48.7%, 30.6%)
CMYK42.3%, 48.7%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,959,438
CSS custom property--colour: #2D284E;

Brightness & contrast

Relative luminance0.02626WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.77:1
Contrast with white13.77:1WCAG normal text: AAA
Contrast with black1.53:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#D2D7B1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1B2E4Fno red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#1A2C4Dno green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#242F37no blue cones; rare, and affects men and women equally; ΔE 22.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.77:1WCAG large text: AAA
Contrast with black, large text1.53:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.4Black · ΔE 32.1Midnight blue · ΔE 32.8Dark slate grey · ΔE 33.8Dim grey · ΔE 36.9Steel blue · ΔE 39.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#494E28
Analogous#28364E, #40284E
Triadic#4E2D28, #284E2D
Split complementary#4E4028, #364E28
Tetradic#4E2836, #494E28, #284E40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8B83BF
Lighter +30%#6B61AE
Lighter +20%#544B91
Lighter +10%#403970
Darker −10%#1A172C
Darker −20%#06050B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#22195D
Less saturated −25%#38373F

Channel breakdown

R45
G40
B78
Red45 (17.6%)
Green40 (15.7%)
Blue78 (30.6%)
Hue247.89°
Saturation (HSL)32.2%
Lightness23.14%
Dominant channelBlue
Hex per channelR 2D · G 28 · B 4E

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Every value on this page was computed from “2d284e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.