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Colour

#2F61FF

  • #2F61FF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2F61FF is a blue with RGB values 47, 97, 255 and HSL 226°, 100%, 59%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2F61FF#2F61FF
HEX#2F61FF
RGBrgb(47, 97, 255)
RGB (0–1)0.1843, 0.3804, 1
RGB percentages18.4%, 38%, 100%
HSLhsl(225.6, 100%, 59.2%)
HSV / HSBhsv(225.6, 81.6%, 100%)
CMYK81.6%, 62%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,105,279
CSS custom property--colour: #2F61FF;

Brightness & contrast

Relative luminance0.16374WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.91:1
Contrast with white4.91:1WCAG normal text: AA
Contrast with black4.27:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#D09E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007BFFno red cones; affects about 1% of men; ΔE 21.5 from the original
Deuteranopia#0067FCno green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#008BA7no blue cones; rare, and affects men and women equally; ΔE 85.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.91:1WCAG large text: AAA
Contrast with black, large text4.27:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 18Royal blue · ΔE 22.4Slate blue · ΔE 25.4Blue violet · ΔE 31.1Medium purple · ΔE 33.7Dark orchid · ΔE 33.9
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 17.96, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFCD2F
Analogous#2FC9FF, #652FFF
Triadic#FF2F61, #61FF2F
Split complementary#FF652F, #C9FF2F
Tetradic#FF2FC9, #FFCD2F, #2FFF65

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBFCFF
Lighter +30%#C8D5FF
Lighter +20%#95AEFF
Lighter +10%#6288FF
Darker −10%#003CFB
Darker −20%#0030C8
Darker −30%#002495
Darker −40%#001862
More saturated +25%#2F61FF
Less saturated −25%#496EE5

Channel breakdown

R47
G97
B255
Red47 (18.4%)
Green97 (38%)
Blue255 (100%)
Hue225.58°
Saturation (HSL)100%
Lightness59.22%
Dominant channelBlue
Hex per channelR 2F · G 61 · B FF

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Every value on this page was computed from “2f61ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.