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Colour

#2F63CE

  • #2F63CE
  • Blue
  • Dark
  • Nearest: Royal blue

#2F63CE is a blue with RGB values 47, 99, 206 and HSL 220°, 63%, 50%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2F63CE#2F63CE
HEX#2F63CE
RGBrgb(47, 99, 206)
RGB (0–1)0.1843, 0.3882, 0.8078
RGB percentages18.4%, 38.8%, 80.8%
HSLhsl(220.4, 62.8%, 49.6%)
HSV / HSBhsv(220.4, 77.2%, 80.8%)
CMYK77.2%, 51.9%, 0%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,105,742
CSS custom property--colour: #2F63CE;

Brightness & contrast

Relative luminance0.13984WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.53:1
Contrast with white5.53:1WCAG normal text: AA
Contrast with black3.8:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#D09C31

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1870D2no red cones; affects about 1% of men; ΔE 9.8 from the original
Deuteranopia#0062CCno green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#007D8Fno blue cones; rare, and affects men and women equally; ΔE 60.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.53:1WCAG large text: AAA
Contrast with black, large text3.8:1WCAG large text: AA

Named colours

Royal blue · ΔE 8.1Slate blue · ΔE 15.4Dodgerblue · ΔE 19Medium purple · ΔE 21.7Medium slateblue · ΔE 22.2Dark slateblue · ΔE 23.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.12, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CE9A2F
Analogous#2FB3CE, #4B2FCE
Triadic#CE2F63, #63CE2F
Split complementary#CE4B2F, #B2CE2F
Tetradic#CE2FB3, #CE9A2F, #2FCE4B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4DFF5
Lighter +30%#AAC0EC
Lighter +20%#81A1E2
Lighter +10%#5782D9
Darker −10%#264FA4
Darker −20%#1C3B7B
Darker −30%#132751
Darker −40%#091328
More saturated +25%#0F58EE
Less saturated −25%#4F6EAE

Channel breakdown

R47
G99
B206
Red47 (18.4%)
Green99 (38.8%)
Blue206 (80.8%)
Hue220.38°
Saturation (HSL)62.85%
Lightness49.61%
Dominant channelBlue
Hex per channelR 2F · G 63 · B CE

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Every value on this page was computed from “2f63ce” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.