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Recognised as Colour

#091CD9

  • #091CD9
  • Blue
  • Dark
  • Nearest: Medium blue

#091CD9 is a blue with RGB values 9, 28, 217 and HSL 235°, 92%, 44%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#091CD9#091CD9
HEX#091CD9
RGBrgb(9, 28, 217)
RGB (0–1)0.0353, 0.1098, 0.851
RGB percentages3.5%, 11%, 85.1%
HSLhsl(234.5, 92%, 44.3%)
HSV / HSBhsv(234.5, 95.9%, 85.1%)
CMYK95.9%, 87.1%, 0%, 14.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer597,209
CSS custom property--colour: #091CD9;

Brightness & contrast

Relative luminance0.05898WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.63:1
Contrast with white9.63:1WCAG normal text: AAA
Contrast with black2.18:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#F6E326

Colour vision & accessibility

Protanopia#004FDEno red cones; affects about 1% of men; ΔE 31.2 from the original
Deuteranopia#0039D6no green cones; the most common form, about 1% of men; ΔE 18.2 from the original
Tritanopia#005E81no blue cones; rare, and affects men and women equally; ΔE 98.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.63:1WCAG large text: AAA
Contrast with black, large text2.18:1WCAG large text: Fail

Named colours

Nearest named CSS colourMedium blue (#0000CD)ΔE 5.69, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#D9C609
Analogous#0984D9, #5E09D9
Triadic#D9091C, #1CD909
Split complementary#D95E09, #84D909
Tetradic#D90984, #D9C609, #09D95E

Tints, shades & saturation

Lighter +40%#B2B9FC
Lighter +30%#818CFA
Lighter +20%#5060F8
Lighter +10%#1F33F6
Darker −10%#0716A8
Darker −20%#050F77
Darker −30%#030946
Darker −40%#010315
More saturated +25%#0015E2
Less saturated −25%#2533BD

Channel breakdown

R9
G28
B217
Red9 (3.5%)
Green28 (11%)
Blue217 (85.1%)
Hue234.52°
Saturation (HSL)92.04%
Lightness44.31%
Dominant channelBlue
Hex per channelR 09 · G 1C · B D9

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Every value on this page was computed from “091cd9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.