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Recognised as Colour

#15035B

  • #15035B
  • Blue
  • Dark
  • Nearest: Midnight blue

#15035B is a blue with RGB values 21, 3, 91 and HSL 252°, 94%, 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

#15035B#15035B
HEX#15035B
RGBrgb(21, 3, 91)
RGB (0–1)0.0824, 0.0118, 0.3569
RGB percentages8.2%, 1.2%, 35.7%
HSLhsl(252.3, 93.6%, 18.4%)
HSV / HSBhsv(252.3, 96.7%, 35.7%)
CMYK76.9%, 96.7%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,377,115
CSS custom property--colour: #15035B;

Brightness & contrast

Relative luminance0.0098WCAG 2.x, 0 is black and 1 is white
Perceived brightness32.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.56:1
Contrast with white17.56:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#0D0D0D
Inverted#EAFCA4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001D5Dno red cones; affects about 1% of men; ΔE 18.8 from the original
Deuteranopia#00155Ano green cones; the most common form, about 1% of men; ΔE 13.3 from the original
Tritanopia#002232no blue cones; rare, and affects men and women equally; ΔE 53.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text17.56:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.6Indigo · ΔE 20.3Navy · ΔE 21.2Dark slateblue · ΔE 24.8Rebecca purple · ΔE 25Dark blue · ΔE 26.4
Nearest named CSS colourMidnight blue (#191970)ΔE 8.61, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#495B03
Analogous#031D5B, #41035B
Triadic#5B1503, #035B15
Split complementary#5B4103, #1D5B03
Tetradic#5B031D, #495B03, #035B41

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5A32F8
Lighter +30%#3708EF
Lighter +20%#2C06BE
Lighter +10%#20058C
Darker −10%#0A012A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#13005E
Less saturated −25%#1C0F4F

Channel breakdown

R21
G3
B91
Red21 (8.2%)
Green3 (1.2%)
Blue91 (35.7%)
Hue252.27°
Saturation (HSL)93.62%
Lightness18.43%
Dominant channelBlue
Hex per channelR 15 · G 03 · B 5B

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Every value on this page was computed from “15035b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.