Nerdulator> put something in

Recognised as Colour

#000819

  • #000819
  • Blue
  • Dark
  • Nearest: Black

#000819 is a blue with RGB values 0, 8, 25 and HSL 221°, 100%, 5%. It is a dark colour, so white text on it reaches 20:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#000819#000819
HEX#000819
RGBrgb(0, 8, 25)
RGB (0–1)0, 0.0314, 0.098
RGB percentages0%, 3.1%, 9.8%
HSLhsl(220.8, 100%, 4.9%)
HSV / HSBhsv(220.8, 100%, 9.8%)
CMYK100%, 68%, 0%, 90.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,073
CSS custom property--colour: #000819;

Brightness & contrast

Relative luminance0.00244WCAG 2.x, 0 is black and 1 is white
Perceived brightness10.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.02:1
Contrast with white20.02:1WCAG normal text: AAA
Contrast with black1.05:1WCAG normal text: Fail
Greyscale equivalent#080808
Inverted#FFF7E6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#02091Ano red cones; affects about 1% of men; ΔE 0.6 from the original
Deuteranopia#000719no green cones; the most common form, about 1% of men; ΔE 0.5 from the original
Tritanopia#000C0Fno blue cones; rare, and affects men and women equally; ΔE 8.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.02:1WCAG large text: AAA
Contrast with black, large text1.05:1WCAG large text: Fail

Named colours

Black · ΔE 10.2Dark slate grey · ΔE 32.4Dim grey · ΔE 43.4Dark slateblue · ΔE 49.7Slate grey · ΔE 50.8Midnight blue · ΔE 51.9
Nearest named CSS colourBlack (#000000)ΔE 10.15, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#191100
Analogous#001519, #040019
Triadic#190008, #081900
Split complementary#190500, #141900
Tetradic#190015, #191100, #001905

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0049E5
Lighter +30%#0039B2
Lighter +20%#00297F
Lighter +10%#00184C
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000819
Less saturated −25%#030916

Channel breakdown

R0
G8
B25
Red0 (0%)
Green8 (3.1%)
Blue25 (9.8%)
Hue220.8°
Saturation (HSL)100%
Lightness4.9%
Dominant channelBlue
Hex per channelR 00 · G 08 · B 19

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “hex 000819” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.