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Recognised as Colour

#2F52A8

  • #2F52A8
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2F52A8 is a blue with RGB values 47, 82, 168 and HSL 223°, 56%, 42%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F52A8#2F52A8
HEX#2F52A8
RGBrgb(47, 82, 168)
RGB (0–1)0.1843, 0.3216, 0.6588
RGB percentages18.4%, 32.2%, 65.9%
HSLhsl(222.6, 56.3%, 42.2%)
HSV / HSBhsv(222.6, 72%, 65.9%)
CMYK72%, 51.2%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,101,352
CSS custom property--colour: #2F52A8;

Brightness & contrast

Relative luminance0.09466WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.26:1
Contrast with white7.26:1WCAG normal text: AAA
Contrast with black2.89:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#D0AD57

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E5DABno red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#0051A6no green cones; the most common form, about 1% of men; ΔE 4.6 from the original
Tritanopia#006675no blue cones; rare, and affects men and women equally; ΔE 50.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.26:1WCAG large text: AAA
Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13Royal blue · ΔE 20.7Slate blue · ΔE 21.7Midnight blue · ΔE 25.3Rebecca purple · ΔE 25.7Medium purple · ΔE 26.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.02, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A8852F
Analogous#2F8EA8, #492FA8
Triadic#A82F52, #52A82F
Split complementary#A8482F, #8FA82F
Tetradic#A82F8E, #A8852F, #2FA848

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8C7EB
Lighter +30%#90A7E0
Lighter +20%#6888D5
Lighter +10%#4068CA
Darker −10%#243F80
Darker −20%#192B58
Darker −30%#0E1830
Darker −40%#020409
More saturated +25%#1447C3
Less saturated −25%#4A5D8D

Channel breakdown

R47
G82
B168
Red47 (18.4%)
Green82 (32.2%)
Blue168 (65.9%)
Hue222.64°
Saturation (HSL)56.28%
Lightness42.16%
Dominant channelBlue
Hex per channelR 2F · G 52 · B A8

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Every value on this page was computed from “2f52a8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.