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Recognised as Colour

#15005E

  • #15005E
  • Blue
  • Dark
  • Nearest: Midnight blue

#15005E is a blue with RGB values 21, 0, 94 and HSL 253°, 100%, 18%. It is a dark colour, so white text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#15005E#15005E
HEX#15005E
RGBrgb(21, 0, 94)
RGB (0–1)0.0824, 0, 0.3686
RGB percentages8.2%, 0%, 36.9%
HSLhsl(253.4, 100%, 18.4%)
HSV / HSBhsv(253.4, 100%, 36.9%)
CMYK77.7%, 100%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,376,350
CSS custom property--colour: #15005E;

Brightness & contrast

Relative luminance0.00968WCAG 2.x, 0 is black and 1 is white
Perceived brightness33.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.6:1
Contrast with white17.6:1WCAG normal text: AAA
Contrast with black1.19:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#EAFFA1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001D60no red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#00155Dno green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#002234no blue cones; rare, and affects men and women equally; ΔE 55 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text17.6:1WCAG large text: AAA
Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10Indigo · ΔE 17.9Navy · ΔE 18Dark blue · ΔE 23.2Rebecca purple · ΔE 24.7Dark slateblue · ΔE 26.5
Nearest named CSS colourMidnight blue (#191970)ΔE 9.98, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#495E00
Analogous#001A5E, #44005E
Triadic#5E1500, #005E15
Split complementary#5E4400, #1A5E00
Tetradic#5E001A, #495E00, #005E44

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5A2BFF
Lighter +30%#3700F7
Lighter +20%#2C00C4
Lighter +10%#200091
Darker −10%#0A002B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#15005E
Less saturated −25%#1B0C52

Channel breakdown

R21
G0
B94
Red21 (8.2%)
Green0 (0%)
Blue94 (36.9%)
Hue253.4°
Saturation (HSL)100%
Lightness18.43%
Dominant channelBlue
Hex per channelR 15 · G 00 · B 5E

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Every value on this page was computed from “15005e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.