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Recognised as Colour

#0F37FF

  • #0F37FF
  • Blue
  • Dark
  • Nearest: Medium blue

#0F37FF is a blue with RGB values 15, 55, 255 and HSL 230°, 100%, 53%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#0F37FF#0F37FF
HEX#0F37FF
RGBrgb(15, 55, 255)
RGB (0–1)0.0588, 0.2157, 1
RGB percentages5.9%, 21.6%, 100%
HSLhsl(230, 100%, 52.9%)
HSV / HSBhsv(230, 94.1%, 100%)
CMYK94.1%, 78.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer997,375
CSS custom property--colour: #0F37FF;

Brightness & contrast

Relative luminance0.10054WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.97:1
Contrast with white6.97:1WCAG normal text: AA
Contrast with black3.01:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#F0C800

Colour vision & accessibility

Protanopia#0065FFno red cones; affects about 1% of men; ΔE 33 from the original
Deuteranopia#004DFCno green cones; the most common form, about 1% of men; ΔE 16 from the original
Tritanopia#00769Cno blue cones; rare, and affects men and women equally; ΔE 104.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.97:1WCAG large text: AAA
Contrast with black, large text3.01:1WCAG large text: AA

Named colours

Nearest named CSS colourMedium blue (#0000CD)ΔE 15.3, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#FFD70F
Analogous#0FAFFF, #5F0FFF
Triadic#FF0F37, #37FF0F
Split complementary#FF5F0F, #AFFF0F
Tetradic#FF0FAF, #FFD70F, #0FFF5F

Tints, shades & saturation

Lighter +40%#DBE1FF
Lighter +30%#A8B6FF
Lighter +20%#758CFF
Lighter +10%#4261FF
Darker −10%#0024DB
Darker −20%#001CA8
Darker −30%#001375
Darker −40%#000B42
More saturated +25%#0F37FF
Less saturated −25%#2D4BE1

Channel breakdown

R15
G55
B255
Red15 (5.9%)
Green55 (21.6%)
Blue255 (100%)
Hue230°
Saturation (HSL)100%
Lightness52.94%
Dominant channelBlue
Hex per channelR 0F · G 37 · B FF

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Every value on this page was computed from “0f37ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.