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Colour

#241B4A

  • #241B4A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#241B4A is a blue with RGB values 36, 27, 74 and HSL 251°, 47%, 20%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#241B4A#241B4A
HEX#241B4A
RGBrgb(36, 27, 74)
RGB (0–1)0.1412, 0.1059, 0.2902
RGB percentages14.1%, 10.6%, 29%
HSLhsl(251.5, 46.5%, 19.8%)
HSV / HSBhsv(251.5, 63.5%, 29%)
CMYK51.4%, 63.5%, 0%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,366,282
CSS custom property--colour: #241B4A;

Brightness & contrast

Relative luminance0.01653WCAG 2.x, 0 is black and 1 is white
Perceived brightness37.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.78:1
Contrast with white15.78:1WCAG normal text: AAA
Contrast with black1.33:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#DBE4B5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#01244Cno red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#012149no green cones; the most common form, about 1% of men; ΔE 11.5 from the original
Tritanopia#18252Fno blue cones; rare, and affects men and women equally; ΔE 28.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.78:1WCAG large text: AAA
Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 23.6Midnight blue · ΔE 25.5Black · ΔE 36.1Rebecca purple · ΔE 36.7Indigo · ΔE 42.4Dark slate grey · ΔE 42.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 23.63, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#414A1B
Analogous#1B2A4A, #3C1B4A
Triadic#4A241B, #1B4A24
Split complementary#4A3C1B, #294A1B
Tetradic#4A1B2A, #414A1B, #1B4A3C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7B69C8
Lighter +30%#5B44BA
Lighter +20%#483695
Lighter +10%#36296F
Darker −10%#120D25
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1C0E57
Less saturated −25%#2C283D

Channel breakdown

R36
G27
B74
Red36 (14.1%)
Green27 (10.6%)
Blue74 (29%)
Hue251.49°
Saturation (HSL)46.53%
Lightness19.8%
Dominant channelBlue
Hex per channelR 24 · G 1B · B 4A

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Every value on this page was computed from “241b4a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.