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Recognised as Colour

#28248D

  • #28248D
  • Blue
  • Dark
  • Nearest: Midnight blue

#28248D is a blue with RGB values 40, 36, 141 and HSL 242°, 59%, 35%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#28248D#28248D
HEX#28248D
RGBrgb(40, 36, 141)
RGB (0–1)0.1569, 0.1412, 0.5529
RGB percentages15.7%, 14.1%, 55.3%
HSLhsl(242.3, 59.3%, 34.7%)
HSV / HSBhsv(242.3, 74.5%, 55.3%)
CMYK71.6%, 74.5%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,630,797
CSS custom property--colour: #28248D;

Brightness & contrast

Relative luminance0.03636WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.16:1
Contrast with white12.16:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#D7DB72

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003A90no red cones; affects about 1% of men; ΔE 18 from the original
Deuteranopia#00318Bno green cones; the most common form, about 1% of men; ΔE 12.9 from the original
Tritanopia#004256no blue cones; rare, and affects men and women equally; ΔE 61.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.16:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.2Indigo · ΔE 15.4Rebecca purple · ΔE 15.7Navy · ΔE 16.1Dark blue · ΔE 19.4Dark slateblue · ΔE 20.3
Nearest named CSS colourMidnight blue (#191970)ΔE 11.25, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#898D24
Analogous#24558D, #5C248D
Triadic#8D2824, #248D28
Split complementary#8D5C24, #558D24
Tetradic#8D2455, #898D24, #248D5C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9B98E5
Lighter +30%#7470DA
Lighter +20%#4C47D0
Lighter +10%#342EB6
Darker −10%#1C1A64
Darker −20%#110F3C
Darker −30%#050513
Darker −40%#000000
More saturated +25%#140EA3
Less saturated −25%#3C3A77

Channel breakdown

R40
G36
B141
Red40 (15.7%)
Green36 (14.1%)
Blue141 (55.3%)
Hue242.29°
Saturation (HSL)59.32%
Lightness34.71%
Dominant channelBlue
Hex per channelR 28 · G 24 · B 8D

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Every value on this page was computed from “28248d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.