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Recognised as Colour

#184B97

  • #184B97
  • Blue
  • Dark
  • Nearest: Dark slateblue

#184B97 is a blue with RGB values 24, 75, 151 and HSL 216°, 73%, 34%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#184B97#184B97
HEX#184B97
RGBrgb(24, 75, 151)
RGB (0–1)0.0941, 0.2941, 0.5922
RGB percentages9.4%, 29.4%, 59.2%
HSLhsl(215.9, 72.6%, 34.3%)
HSV / HSBhsv(215.9, 84.1%, 59.2%)
CMYK84.1%, 50.3%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,592,215
CSS custom property--colour: #184B97;

Brightness & contrast

Relative luminance0.07461WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.43:1
Contrast with white8.43:1WCAG normal text: AAA
Contrast with black2.49:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#E7B468

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1D539Ano red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#004895no green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#005D6Ano blue cones; rare, and affects men and women equally; ΔE 45 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.43:1WCAG large text: AAA
Contrast with black, large text2.49:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14Midnight blue · ΔE 25.5Royal blue · ΔE 27.6Slate blue · ΔE 28.7Cornflower blue · ΔE 29.5Steel blue · ΔE 29.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.95, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#976418
Analogous#188A97, #251897
Triadic#97184B, #4B9718
Split complementary#972518, #8A9718
Tetradic#97188A, #976418, #189725

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EB4ED
Lighter +30%#6297E6
Lighter +20%#367ADF
Lighter +10%#1F61C3
Darker −10%#11356B
Darker −20%#0A1F3F
Darker −30%#030913
Darker −40%#000000
More saturated +25%#0247AD
Less saturated −25%#2E4F81

Channel breakdown

R24
G75
B151
Red24 (9.4%)
Green75 (29.4%)
Blue151 (59.2%)
Hue215.91°
Saturation (HSL)72.57%
Lightness34.31%
Dominant channelBlue
Hex per channelR 18 · G 4B · B 97

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Every value on this page was computed from “184b97” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.