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Colour

#331EFF

  • #331EFF
  • Blue
  • Dark
  • Nearest: Blue

#331EFF is a blue with RGB values 51, 30, 255 and HSL 246°, 100%, 56%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#331EFF#331EFF
HEX#331EFF
RGBrgb(51, 30, 255)
RGB (0–1)0.2, 0.1176, 1
RGB percentages20%, 11.8%, 100%
HSLhsl(245.6, 100%, 55.9%)
HSV / HSBhsv(245.6, 88.2%, 100%)
CMYK80%, 88.2%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,350,271
CSS custom property--colour: #331EFF;

Brightness & contrast

Relative luminance0.08852WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.58:1
Contrast with white7.58:1WCAG normal text: AAA
Contrast with black2.77:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#CCE100

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FFFno red cones; affects about 1% of men; ΔE 39.9 from the original
Deuteranopia#0048FBno green cones; the most common form, about 1% of men; ΔE 24.6 from the original
Tritanopia#006E98no blue cones; rare, and affects men and women equally; ΔE 111.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.58:1WCAG large text: AAA
Contrast with black, large text2.77:1WCAG large text: Fail

Named colours

Blue · ΔE 8.5Medium blue · ΔE 16.6Blue violet · ΔE 28.4Dark violet · ΔE 32.1Dark orchid · ΔE 43.6Dark blue · ΔE 46
Nearest named CSS colourBlue (#0000FF)ΔE 8.46, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EAFF1E
Analogous#1E79FF, #A41EFF
Triadic#FF331E, #1EFF33
Split complementary#FFA41E, #79FF1E
Tetradic#FF1E79, #EAFF1E, #1EFFA4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECEAFF
Lighter +30%#BEB7FF
Lighter +20%#8F84FF
Lighter +10%#6151FF
Darker −10%#1600EA
Darker −20%#1100B7
Darker −30%#0C0084
Darker −40%#080051
More saturated +25%#331EFF
Less saturated −25%#4A3AE3

Channel breakdown

R51
G30
B255
Red51 (20%)
Green30 (11.8%)
Blue255 (100%)
Hue245.6°
Saturation (HSL)100%
Lightness55.88%
Dominant channelBlue
Hex per channelR 33 · G 1E · B FF

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Every value on this page was computed from “331eff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.