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Colour

#0A1F69

  • #0A1F69
  • Blue
  • Dark
  • Nearest: Midnight blue

#0A1F69 is a blue with RGB values 10, 31, 105 and HSL 227°, 83%, 23%. It is a dark colour, so white text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0A1F69#0A1F69
HEX#0A1F69
RGBrgb(10, 31, 105)
RGB (0–1)0.0392, 0.1216, 0.4118
RGB percentages3.9%, 12.2%, 41.2%
HSLhsl(226.7, 82.6%, 22.5%)
HSV / HSBhsv(226.7, 90.5%, 41.2%)
CMYK90.5%, 70.5%, 0%, 58.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer663,401
CSS custom property--colour: #0A1F69;

Brightness & contrast

Relative luminance0.02064WCAG 2.x, 0 is black and 1 is white
Perceived brightness43 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.86:1
Contrast with white14.86:1WCAG normal text: AAA
Contrast with black1.41:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#F5E096

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002C6Bno red cones; affects about 1% of men; ΔE 11.2 from the original
Deuteranopia#002368no green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#003341no blue cones; rare, and affects men and women equally; ΔE 46.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.86:1WCAG large text: AAA
Contrast with black, large text1.41:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.2Dark slateblue · ΔE 15.5Rebecca purple · ΔE 25.8Indigo · ΔE 29.5Navy · ΔE 31Slate blue · ΔE 34.4
Nearest named CSS colourMidnight blue (#191970)ΔE 9.19, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#69540A
Analogous#0A4F69, #240A69
Triadic#690A1F, #1F690A
Split complementary#69250A, #4E690A
Tetradic#690A4F, #69540A, #0A6925

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5173EE
Lighter +30%#224EEA
Lighter +20%#133AC6
Lighter +10%#0E2D98
Darker −10%#06113A
Darker −20%#01040C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001973
Less saturated −25%#18275B

Channel breakdown

R10
G31
B105
Red10 (3.9%)
Green31 (12.2%)
Blue105 (41.2%)
Hue226.74°
Saturation (HSL)82.61%
Lightness22.55%
Dominant channelBlue
Hex per channelR 0A · G 1F · B 69

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Every value on this page was computed from “0a1f69” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.