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Recognised as Colour

#15023F

  • #15023F
  • Violet
  • Dark
  • Nearest: Midnight blue

#15023F is a violet with RGB values 21, 2, 63 and HSL 259°, 94%, 13%. It is a dark colour, so white text on it reaches 18.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#15023F#15023F
HEX#15023F
RGBrgb(21, 2, 63)
RGB (0–1)0.0824, 0.0078, 0.2471
RGB percentages8.2%, 0.8%, 24.7%
HSLhsl(258.7, 93.8%, 12.7%)
HSV / HSBhsv(258.7, 96.8%, 24.7%)
CMYK66.7%, 96.8%, 0%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,376,831
CSS custom property--colour: #15023F;

Brightness & contrast

Relative luminance0.00562WCAG 2.x, 0 is black and 1 is white
Perceived brightness24.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.88:1
Contrast with white18.88:1WCAG normal text: AAA
Contrast with black1.11:1WCAG normal text: Fail
Greyscale equivalent#0A0A0A
Inverted#EAFDC0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001241no red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#000F3Eno green cones; the most common form, about 1% of men; ΔE 11.6 from the original
Tritanopia#021521no blue cones; rare, and affects men and women equally; ΔE 37.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.88:1WCAG large text: AAA
Contrast with black, large text1.11:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 19.6Dark slateblue · ΔE 27Rebecca purple · ΔE 34.9Indigo · ΔE 35.3Navy · ΔE 38Purple · ΔE 40.9
Nearest named CSS colourMidnight blue (#191970)ΔE 19.61, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2C3F02
Analogous#020D3F, #34023F
Triadic#3F1502, #023F15
Split complementary#3F3302, #0E3F02
Tetradic#3F020D, #2C3F02, #023F34

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5C15F8
Lighter +30%#4607D3
Lighter +20%#3605A2
Lighter +10%#250470
Darker −10%#05000E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#140041
Less saturated −25%#180A37

Channel breakdown

R21
G2
B63
Red21 (8.2%)
Green2 (0.8%)
Blue63 (24.7%)
Hue258.69°
Saturation (HSL)93.85%
Lightness12.75%
Dominant channelBlue
Hex per channelR 15 · G 02 · B 3F

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Every value on this page was computed from “15023f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.