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Colour

#151F6A

  • #151F6A
  • Blue
  • Dark
  • Nearest: Midnight blue

#151F6A is a blue with RGB values 21, 31, 106 and HSL 233°, 67%, 25%. It is a dark colour, so white text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#151F6A#151F6A
HEX#151F6A
RGBrgb(21, 31, 106)
RGB (0–1)0.0824, 0.1216, 0.4157
RGB percentages8.2%, 12.2%, 41.6%
HSLhsl(232.9, 66.9%, 24.9%)
HSV / HSBhsv(232.9, 80.2%, 41.6%)
CMYK80.2%, 70.8%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,384,298
CSS custom property--colour: #151F6A;

Brightness & contrast

Relative luminance0.0218WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.62:1
Contrast with white14.62:1WCAG normal text: AAA
Contrast with black1.44:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#EAE095

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002D6Cno red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#002569no green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#003341no blue cones; rare, and affects men and women equally; ΔE 47.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.62:1WCAG large text: AAA
Contrast with black, large text1.44:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.2Dark slateblue · ΔE 14.7Rebecca purple · ΔE 24.4Indigo · ΔE 28.2Navy · ΔE 30.2Slate blue · ΔE 33.6
Nearest named CSS colourMidnight blue (#191970)ΔE 8.21, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6A6015
Analogous#15496A, #36156A
Triadic#6A151F, #1F6A15
Split complementary#6A3615, #4A6A15
Tetradic#6A1549, #6A6015, #156A36

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6A78E1
Lighter +30%#3F51D9
Lighter +20%#2638BF
Lighter +10%#1D2B95
Darker −10%#0D133F
Darker −20%#040615
Darker −30%#000000
Darker −40%#000000
More saturated +25%#05137A
Less saturated −25%#252B5A

Channel breakdown

R21
G31
B106
Red21 (8.2%)
Green31 (12.2%)
Blue106 (41.6%)
Hue232.94°
Saturation (HSL)66.93%
Lightness24.9%
Dominant channelBlue
Hex per channelR 15 · G 1F · B 6A

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Every value on this page was computed from “151f6a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.