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Colour

#310FFF

  • #310FFF
  • Blue
  • Dark
  • Nearest: Blue

#310FFF is a blue with RGB values 49, 15, 255 and HSL 249°, 100%, 53%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#310FFF#310FFF
HEX#310FFF
RGBrgb(49, 15, 255)
RGB (0–1)0.1922, 0.0588, 1
RGB percentages19.2%, 5.9%, 100%
HSLhsl(248.5, 100%, 52.9%)
HSV / HSBhsv(248.5, 94.1%, 100%)
CMYK80.8%, 94.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,215,359
CSS custom property--colour: #310FFF;

Brightness & contrast

Relative luminance0.08215WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.95:1
Contrast with white7.95:1WCAG normal text: AAA
Contrast with black2.64:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#CEF000

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CFFno red cones; affects about 1% of men; ΔE 41.8 from the original
Deuteranopia#0045FBno green cones; the most common form, about 1% of men; ΔE 26.7 from the original
Tritanopia#006C97no blue cones; rare, and affects men and women equally; ΔE 114.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.95:1WCAG large text: AAA
Contrast with black, large text2.64:1WCAG large text: Fail

Named colours

Blue · ΔE 4.5Medium blue · ΔE 18.9Blue violet · ΔE 31.5Dark violet · ΔE 34.3Dark orchid · ΔE 46.7Dark blue · ΔE 48.8
Nearest named CSS colourBlue (#0000FF)ΔE 4.51, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDFF0F
Analogous#0F65FF, #A90FFF
Triadic#FF310F, #0FFF31
Split complementary#FFA90F, #65FF0F
Tetradic#FF0F65, #DDFF0F, #0FFFA9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0DBFF
Lighter +30%#B4A8FF
Lighter +20%#8975FF
Lighter +10%#5D42FF
Darker −10%#1F00DB
Darker −20%#1800A8
Darker −30%#110075
Darker −40%#090042
More saturated +25%#310FFF
Less saturated −25%#472DE1

Channel breakdown

R49
G15
B255
Red49 (19.2%)
Green15 (5.9%)
Blue255 (100%)
Hue248.5°
Saturation (HSL)100%
Lightness52.94%
Dominant channelBlue
Hex per channelR 31 · G 0F · B FF

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Every value on this page was computed from “310fff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.