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Colour

#150B66

  • #150B66
  • Blue
  • Dark
  • Nearest: Midnight blue

#150B66 is a blue with RGB values 21, 11, 102 and HSL 247°, 81%, 22%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#150B66#150B66
HEX#150B66
RGBrgb(21, 11, 102)
RGB (0–1)0.0824, 0.0431, 0.4
RGB percentages8.2%, 4.3%, 40%
HSLhsl(246.6, 80.5%, 22.2%)
HSV / HSBhsv(246.6, 89.2%, 40%)
CMYK79.4%, 89.2%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,379,174
CSS custom property--colour: #150B66;

Brightness & contrast

Relative luminance0.01358WCAG 2.x, 0 is black and 1 is white
Perceived brightness37.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.51:1
Contrast with white16.51:1WCAG normal text: AAA
Contrast with black1.27:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#EAF499

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002368no red cones; affects about 1% of men; ΔE 18 from the original
Deuteranopia#001B65no green cones; the most common form, about 1% of men; ΔE 12.5 from the original
Tritanopia#00293Ano blue cones; rare, and affects men and women equally; ΔE 54.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text16.51:1WCAG large text: AAA
Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 5.7Indigo · ΔE 18.6Navy · ΔE 19Rebecca purple · ΔE 22.6Dark slateblue · ΔE 22.8Dark blue · ΔE 24.1
Nearest named CSS colourMidnight blue (#191970)ΔE 5.74, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C660B
Analogous#0B2F66, #430B66
Triadic#66150B, #0B6615
Split complementary#66430B, #2F660B
Tetradic#660B2E, #5C660B, #0B6643

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6251EC
Lighter +30%#3823E7
Lighter +20%#2815C2
Lighter +10%#1E1094
Darker −10%#0C0638
Darker −20%#02010A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C0071
Less saturated −25%#201958

Channel breakdown

R21
G11
B102
Red21 (8.2%)
Green11 (4.3%)
Blue102 (40%)
Hue246.59°
Saturation (HSL)80.53%
Lightness22.16%
Dominant channelBlue
Hex per channelR 15 · G 0B · B 66

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Every value on this page was computed from “150b66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.