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Recognised as Colour

#0F335B

  • #0F335B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0F335B is a blue with RGB values 15, 51, 91 and HSL 212°, 72%, 21%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0F335B#0F335B
HEX#0F335B
RGBrgb(15, 51, 91)
RGB (0–1)0.0588, 0.2, 0.3569
RGB percentages5.9%, 20%, 35.7%
HSLhsl(211.6, 71.7%, 20.8%)
HSV / HSBhsv(211.6, 83.5%, 35.7%)
CMYK83.5%, 44%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer996,187
CSS custom property--colour: #0F335B;

Brightness & contrast

Relative luminance0.03225WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.77:1
Contrast with white12.77:1WCAG normal text: AAA
Contrast with black1.64:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#F0CCA4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#20365Dno red cones; affects about 1% of men; ΔE 3 from the original
Deuteranopia#132F5Ano green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#003C42no blue cones; rare, and affects men and women equally; ΔE 26.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.77:1WCAG large text: AAA
Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 28.6Dark slate grey · ΔE 30.1Steel blue · ΔE 32.8Black · ΔE 34.8Midnight blue · ΔE 36.1Dim grey · ΔE 36.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 28.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B370F
Analogous#0F595B, #110F5B
Triadic#5B0F33, #335B0F
Split complementary#5B110F, #595B0F
Tetradic#5B0F59, #5B370F, #0F5B11

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5397E3
Lighter +30%#287DDB
Lighter +20%#1D64B3
Lighter +10%#164C87
Darker −10%#081A2F
Darker −20%#010203
Darker −30%#000000
Darker −40%#000000
More saturated +25%#023268
Less saturated −25%#1C344E

Channel breakdown

R15
G51
B91
Red15 (5.9%)
Green51 (20%)
Blue91 (35.7%)
Hue211.58°
Saturation (HSL)71.7%
Lightness20.78%
Dominant channelBlue
Hex per channelR 0F · G 33 · B 5B

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Every value on this page was computed from “0f335b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.