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Recognised as Colour

#0A151F

  • #0A151F
  • Blue
  • Dark
  • Nearest: Black

#0A151F is a blue with RGB values 10, 21, 31 and HSL 209°, 51%, 8%. It is a dark colour, so white text on it reaches 18.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0A151F#0A151F
HEX#0A151F
RGBrgb(10, 21, 31)
RGB (0–1)0.0392, 0.0824, 0.1216
RGB percentages3.9%, 8.2%, 12.2%
HSLhsl(208.6, 51.2%, 8%)
HSV / HSBhsv(208.6, 67.7%, 12.2%)
CMYK67.7%, 32.3%, 0%, 87.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer660,767
CSS custom property--colour: #0A151F;

Brightness & contrast

Relative luminance0.007WCAG 2.x, 0 is black and 1 is white
Perceived brightness20 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.42:1
Contrast with white18.42:1WCAG normal text: AAA
Contrast with black1.14:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#F5EAE0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#11151Fno red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#0E131Fno green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#031718no blue cones; rare, and affects men and women equally; ΔE 7.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.42:1WCAG large text: AAA
Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Black · ΔE 10.5Dark slate grey · ΔE 27.5Dim grey · ΔE 39Slate grey · ΔE 46.6Gray · ΔE 48Light slate grey · ΔE 49.7
Nearest named CSS colourBlack (#000000)ΔE 10.51, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1F140A
Analogous#0A1F1E, #0A0B1F
Triadic#1F0A15, #151F0A
Split complementary#1F0A0A, #1F1E0A
Tetradic#1E0A1F, #1F140A, #0B1F0A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3C7DB9
Lighter +30%#2F6393
Lighter +20%#23496C
Lighter +10%#162F46
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#051524
Less saturated −25%#0F151A

Channel breakdown

R10
G21
B31
Red10 (3.9%)
Green21 (8.2%)
Blue31 (12.2%)
Hue208.57°
Saturation (HSL)51.22%
Lightness8.04%
Dominant channelBlue
Hex per channelR 0A · G 15 · B 1F

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Every value on this page was computed from “0a151f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.