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Recognised as Colour

#312EFF

  • #312EFF
  • Blue
  • Dark
  • Nearest: Medium blue

#312EFF is a blue with RGB values 49, 46, 255 and HSL 241°, 100%, 59%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#312EFF#312EFF
HEX#312EFF
RGBrgb(49, 46, 255)
RGB (0–1)0.1922, 0.1804, 1
RGB percentages19.2%, 18%, 100%
HSLhsl(240.9, 100%, 59%)
HSV / HSBhsv(240.9, 82%, 100%)
CMYK80.8%, 82%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,223,295
CSS custom property--colour: #312EFF;

Brightness & contrast

Relative luminance0.09827WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.08:1
Contrast with white7.08:1WCAG normal text: AAA
Contrast with black2.97:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#CED100

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0063FFno red cones; affects about 1% of men; ΔE 36.1 from the original
Deuteranopia#004DFCno green cones; the most common form, about 1% of men; ΔE 20.9 from the original
Tritanopia#00739Ano blue cones; rare, and affects men and women equally; ΔE 107.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.08:1WCAG large text: AAA
Contrast with black, large text2.97:1WCAG large text: Fail

Named colours

Medium blue · ΔE 14.7Blue · ΔE 15.1Blue violet · ΔE 24.8Dark violet · ΔE 30Dark orchid · ΔE 39.6Dark blue · ΔE 41.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 14.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCFF2E
Analogous#2E93FF, #9A2EFF
Triadic#FF312E, #2EFF31
Split complementary#FF9A2E, #93FF2E
Tetradic#FF2E93, #FCFF2E, #2EFF9A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAFAFF
Lighter +30%#C8C7FF
Lighter +20%#9694FF
Lighter +10%#6361FF
Darker −10%#0400FA
Darker −20%#0300C7
Darker −30%#020094
Darker −40%#010061
More saturated +25%#312EFF
Less saturated −25%#4A48E5

Channel breakdown

R49
G46
B255
Red49 (19.2%)
Green46 (18%)
Blue255 (100%)
Hue240.86°
Saturation (HSL)100%
Lightness59.02%
Dominant channelBlue
Hex per channelR 31 · G 2E · B FF

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Every value on this page was computed from “312eff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.