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Recognised as Colour

#20287B

  • #20287B
  • Blue
  • Dark
  • Nearest: Midnight blue

#20287B is a blue with RGB values 32, 40, 123 and HSL 235°, 59%, 30%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#20287B#20287B
HEX#20287B
RGBrgb(32, 40, 123)
RGB (0–1)0.1255, 0.1569, 0.4824
RGB percentages12.5%, 15.7%, 48.2%
HSLhsl(234.7, 58.7%, 30.4%)
HSV / HSBhsv(234.7, 74%, 48.2%)
CMYK74%, 67.5%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,107,515
CSS custom property--colour: #20287B;

Brightness & contrast

Relative luminance0.03255WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.72:1
Contrast with white12.72:1WCAG normal text: AAA
Contrast with black1.65:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#DFD784

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00377Eno red cones; affects about 1% of men; ΔE 13.2 from the original
Deuteranopia#002E79no green cones; the most common form, about 1% of men; ΔE 8 from the original
Tritanopia#003E4Dno blue cones; rare, and affects men and women equally; ΔE 51.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.72:1WCAG large text: AAA
Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7.3Dark slateblue · ΔE 11.5Rebecca purple · ΔE 20Indigo · ΔE 25.4Navy · ΔE 27.7Slate blue · ΔE 27.7
Nearest named CSS colourMidnight blue (#191970)ΔE 7.27, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B7320
Analogous#20557B, #46207B
Triadic#7B2028, #287B20
Split complementary#7B4620, #557B20
Tetradic#7B2055, #7B7320, #207B46

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#878FE0
Lighter +30%#5F69D5
Lighter +20%#3643CB
Lighter +10%#2B35A3
Darker −10%#151B53
Darker −20%#0B0E2A
Darker −30%#000102
Darker −40%#000000
More saturated +25%#0D188E
Less saturated −25%#333868

Channel breakdown

R32
G40
B123
Red32 (12.5%)
Green40 (15.7%)
Blue123 (48.2%)
Hue234.73°
Saturation (HSL)58.71%
Lightness30.39%
Dominant channelBlue
Hex per channelR 20 · G 28 · B 7B

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Every value on this page was computed from “20287b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.