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Recognised as Colour

#00091C

  • #00091C
  • Blue
  • Dark
  • Nearest: Black

#00091C is a blue with RGB values 0, 9, 28 and HSL 221°, 100%, 5%. It is a dark colour, so white text on it reaches 19.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00091C#00091C
HEX#00091C
RGBrgb(0, 9, 28)
RGB (0–1)0, 0.0353, 0.1098
RGB percentages0%, 3.5%, 11%
HSLhsl(220.7, 100%, 5.5%)
HSV / HSBhsv(220.7, 100%, 11%)
CMYK100%, 67.9%, 0%, 89%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,332
CSS custom property--colour: #00091C;

Brightness & contrast

Relative luminance0.00279WCAG 2.x, 0 is black and 1 is white
Perceived brightness11.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.89:1
Contrast with white19.89:1WCAG normal text: AAA
Contrast with black1.06:1WCAG normal text: Fail
Greyscale equivalent#080808
Inverted#FFF6E3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#020B1Dno red cones; affects about 1% of men; ΔE 0.6 from the original
Deuteranopia#00081Cno green cones; the most common form, about 1% of men; ΔE 0.5 from the original
Tritanopia#000E11no blue cones; rare, and affects men and women equally; ΔE 10.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.89:1WCAG large text: AAA
Contrast with black, large text1.06:1WCAG large text: Fail

Named colours

Black · ΔE 12.2Dark slate grey · ΔE 32.7Dim grey · ΔE 43.5Dark slateblue · ΔE 48.1Midnight blue · ΔE 50.1Slate grey · ΔE 50.5
Nearest named CSS colourBlack (#000000)ΔE 12.16, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1C1300
Analogous#00171C, #05001C
Triadic#1C0009, #091C00
Split complementary#1C0500, #171C00
Tetradic#1C0017, #1C1300, #001C05

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#004BE8
Lighter +30%#003AB5
Lighter +20%#002A82
Lighter +10%#00194F
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00091C
Less saturated −25%#040A18

Channel breakdown

R0
G9
B28
Red0 (0%)
Green9 (3.5%)
Blue28 (11%)
Hue220.71°
Saturation (HSL)100%
Lightness5.49%
Dominant channelBlue
Hex per channelR 00 · G 09 · B 1C

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Every value on this page was computed from “00091c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.