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Recognised as Colour

#0A0721

  • #0A0721
  • Blue
  • Dark
  • Nearest: Black

#0A0721 is a blue with RGB values 10, 7, 33 and HSL 247°, 65%, 8%. It is a dark colour, so white text on it reaches 19.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0A0721#0A0721
HEX#0A0721
RGBrgb(10, 7, 33)
RGB (0–1)0.0392, 0.0275, 0.1294
RGB percentages3.9%, 2.7%, 12.9%
HSLhsl(246.9, 65%, 7.8%)
HSV / HSBhsv(246.9, 78.8%, 12.9%)
CMYK69.7%, 78.8%, 0%, 87.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer657,185
CSS custom property--colour: #0A0721;

Brightness & contrast

Relative luminance0.00326WCAG 2.x, 0 is black and 1 is white
Perceived brightness13.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.71:1
Contrast with white19.71:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#0A0A0A
Inverted#F5F8DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000C22no red cones; affects about 1% of men; ΔE 4.3 from the original
Deuteranopia#000A20no green cones; the most common form, about 1% of men; ΔE 4.2 from the original
Tritanopia#030D12no blue cones; rare, and affects men and women equally; ΔE 14.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.71:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 16.7Dark slate grey · ΔE 35.7Dark slateblue · ΔE 43.4Midnight blue · ΔE 44.5Dim grey · ΔE 44.6Slate grey · ΔE 50.9
Nearest named CSS colourBlack (#000000)ΔE 16.74, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1E2107
Analogous#071121, #170721
Triadic#210A07, #07210A
Split complementary#211707, #112107
Tetradic#210711, #1E2107, #072117

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3D2BC9
Lighter +30%#30229F
Lighter +20%#231975
Lighter +10%#17104B
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#060226
Less saturated −25%#0E0C1C

Channel breakdown

R10
G7
B33
Red10 (3.9%)
Green7 (2.7%)
Blue33 (12.9%)
Hue246.92°
Saturation (HSL)65%
Lightness7.84%
Dominant channelBlue
Hex per channelR 0A · G 07 · B 21

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Every value on this page was computed from “0a0721” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.