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Recognised as Colour

#331F98

  • #331F98
  • Blue
  • Dark
  • Nearest: Navy

#331F98 is a blue with RGB values 51, 31, 152 and HSL 250°, 66%, 36%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#331F98#331F98
HEX#331F98
RGBrgb(51, 31, 152)
RGB (0–1)0.2, 0.1216, 0.5961
RGB percentages20%, 12.2%, 59.6%
HSLhsl(249.9, 66.1%, 35.9%)
HSV / HSBhsv(249.9, 79.6%, 59.6%)
CMYK66.4%, 79.6%, 0%, 40.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,350,424
CSS custom property--colour: #331F98;

Brightness & contrast

Relative luminance0.03951WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.73:1
Contrast with white11.73:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#CCE067

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003C9Bno red cones; affects about 1% of men; ΔE 22.3 from the original
Deuteranopia#003396no green cones; the most common form, about 1% of men; ΔE 17.4 from the original
Tritanopia#00435Bno blue cones; rare, and affects men and women equally; ΔE 68.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.73:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail

Named colours

Navy · ΔE 11.3Indigo · ΔE 11.8Dark blue · ΔE 12.5Rebecca purple · ΔE 17.7Midnight blue · ΔE 19.4Slate blue · ΔE 23.8
Nearest named CSS colourNavy (#000080)ΔE 11.29, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#84981F
Analogous#1F4798, #701F98
Triadic#98331F, #1F9833
Split complementary#98701F, #47981F
Tetradic#981F47, #84981F, #1F9870

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A699EA
Lighter +30%#816EE2
Lighter +20%#5D44D9
Lighter +10%#4128C2
Darker −10%#25166E
Darker −20%#170E43
Darker −30%#080519
Darker −40%#000000
More saturated +25%#2408AF
Less saturated −25%#423681

Channel breakdown

R51
G31
B152
Red51 (20%)
Green31 (12.2%)
Blue152 (59.6%)
Hue249.92°
Saturation (HSL)66.12%
Lightness35.88%
Dominant channelBlue
Hex per channelR 33 · G 1F · B 98

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Every value on this page was computed from “331f98” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.