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Recognised as Colour

#090C17

  • #090C17
  • Blue
  • Dark
  • Nearest: Black

#090C17 is a blue with RGB values 9, 12, 23 and HSL 227°, 44%, 6%. It is a dark colour, so white text on it reaches 19.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#090C17#090C17
HEX#090C17
RGBrgb(9, 12, 23)
RGB (0–1)0.0353, 0.0471, 0.0902
RGB percentages3.5%, 4.7%, 9%
HSLhsl(227.1, 43.8%, 6.3%)
HSV / HSBhsv(227.1, 60.9%, 9%)
CMYK60.9%, 47.8%, 0%, 91%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer592,919
CSS custom property--colour: #090C17;

Brightness & contrast

Relative luminance0.00383WCAG 2.x, 0 is black and 1 is white
Perceived brightness13 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.51:1
Contrast with white19.51:1WCAG normal text: AAA
Contrast with black1.08:1WCAG normal text: Fail
Greyscale equivalent#0C0C0C
Inverted#F6F3E8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#080D17no red cones; affects about 1% of men; ΔE 0.8 from the original
Deuteranopia#070C17no green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#050E10no blue cones; rare, and affects men and women equally; ΔE 5.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.51:1WCAG large text: AAA
Contrast with black, large text1.08:1WCAG large text: Fail

Named colours

Black · ΔE 7.4Dark slate grey · ΔE 30.9Dim grey · ΔE 41.5Slate grey · ΔE 49.7Gray · ΔE 50.6Dark slateblue · ΔE 51.3
Nearest named CSS colourBlack (#000000)ΔE 7.4, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#171409
Analogous#091317, #0D0917
Triadic#17090C, #0C1709
Split complementary#170D09, #131709
Tetradic#170913, #171409, #09170D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4259AA
Lighter +30%#344585
Lighter +20%#263260
Lighter +10%#171F3C
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#050A1B
Less saturated −25%#0D0E13

Channel breakdown

R9
G12
B23
Red9 (3.5%)
Green12 (4.7%)
Blue23 (9%)
Hue227.14°
Saturation (HSL)43.75%
Lightness6.27%
Dominant channelBlue
Hex per channelR 09 · G 0C · B 17

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Every value on this page was computed from “090c17” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.