Nerdulator> put something in

Recognised as Colour

#0A109B

  • #0A109B
  • Blue
  • Dark
  • Nearest: Dark blue

#0A109B is a blue with RGB values 10, 16, 155 and HSL 238°, 88%, 32%. It is a dark colour, so white text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0A109B#0A109B
HEX#0A109B
RGBrgb(10, 16, 155)
RGB (0–1)0.0392, 0.0627, 0.6078
RGB percentages3.9%, 6.3%, 60.8%
HSLhsl(237.5, 87.9%, 32.4%)
HSV / HSBhsv(237.5, 93.5%, 60.8%)
CMYK93.5%, 89.7%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer659,611
CSS custom property--colour: #0A109B;

Brightness & contrast

Relative luminance0.02802WCAG 2.x, 0 is black and 1 is white
Perceived brightness54 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.46:1
Contrast with white13.46:1WCAG normal text: AAA
Contrast with black1.56:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#F5EF64

Colour vision & accessibility

Protanopia#00369Fno red cones; affects about 1% of men; ΔE 24.4 from the original
Deuteranopia#002799no green cones; the most common form, about 1% of men; ΔE 15.2 from the original
Tritanopia#00415Ano blue cones; rare, and affects men and women equally; ΔE 77.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.46:1WCAG large text: AAA
Contrast with black, large text1.56:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark blue (#00008B)ΔE 5.16, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#9B950A
Analogous#0A599B, #4D0A9B
Triadic#9B0A10, #109B0A
Split complementary#9B4D0A, #589B0A
Tetradic#9B0A58, #9B950A, #0A9B4C

Tints, shades & saturation

Lighter +40%#7B80F6
Lighter +30%#4B52F3
Lighter +20%#1B24F0
Lighter +10%#0D15CB
Darker −10%#070B6B
Darker −20%#04063B
Darker −30%#01010B
Darker −40%#000000
More saturated +25%#0007A5
Less saturated −25%#1F2386

Channel breakdown

R10
G16
B155
Red10 (3.9%)
Green16 (6.3%)
Blue155 (60.8%)
Hue237.52°
Saturation (HSL)87.88%
Lightness32.35%
Dominant channelBlue
Hex per channelR 0A · G 10 · B 9B

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 “0a109b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.