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Recognised as Colour

#18126A

  • #18126A
  • Blue
  • Dark
  • Nearest: Midnight blue

#18126A is a blue with RGB values 24, 18, 106 and HSL 244°, 71%, 24%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#18126A#18126A
HEX#18126A
RGBrgb(24, 18, 106)
RGB (0–1)0.0941, 0.0706, 0.4157
RGB percentages9.4%, 7.1%, 41.6%
HSLhsl(244.1, 71%, 24.3%)
HSV / HSBhsv(244.1, 83%, 41.6%)
CMYK77.4%, 83%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,577,578
CSS custom property--colour: #18126A;

Brightness & contrast

Relative luminance0.01667WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.75:1
Contrast with white15.75:1WCAG normal text: AAA
Contrast with black1.33:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#E7ED95

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00276Cno red cones; affects about 1% of men; ΔE 16.9 from the original
Deuteranopia#001F68no green cones; the most common form, about 1% of men; ΔE 11.9 from the original
Tritanopia#002D3Eno blue cones; rare, and affects men and women equally; ΔE 53.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.75:1WCAG large text: AAA
Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 2.9Indigo · ΔE 19.7Dark slateblue · ΔE 20.1Navy · ΔE 20.7Rebecca purple · ΔE 21.5Dark blue · ΔE 25.7
Nearest named CSS colourMidnight blue (#191970)ΔE 2.94, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#646A12
Analogous#12386A, #44126A
Triadic#6A1812, #126A18
Split complementary#6A4412, #386A12
Tetradic#6A1238, #646A12, #126A44

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6C63E5
Lighter +30%#4338DD
Lighter +20%#2C21C1
Lighter +10%#221996
Darker −10%#0E0B3E
Darker −20%#040313
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B037A
Less saturated −25%#25225A

Channel breakdown

R24
G18
B106
Red24 (9.4%)
Green18 (7.1%)
Blue106 (41.6%)
Hue244.09°
Saturation (HSL)70.97%
Lightness24.31%
Dominant channelBlue
Hex per channelR 18 · G 12 · B 6A

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Every value on this page was computed from “18126a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.