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Recognised as Colour

#2640FF

  • #2640FF
  • Blue
  • Dark
  • Nearest: Medium blue

#2640FF is a blue with RGB values 38, 64, 255 and HSL 233°, 100%, 57%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#2640FF#2640FF
HEX#2640FF
RGBrgb(38, 64, 255)
RGB (0–1)0.149, 0.251, 1
RGB percentages14.9%, 25.1%, 100%
HSLhsl(232.8, 100%, 57.5%)
HSV / HSBhsv(232.8, 85.1%, 100%)
CMYK85.1%, 74.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,507,007
CSS custom property--colour: #2640FF;

Brightness & contrast

Relative luminance0.11299WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.44:1
Contrast with white6.44:1WCAG normal text: AA
Contrast with black3.26:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#D9BF00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0069FFno red cones; affects about 1% of men; ΔE 30.6 from the original
Deuteranopia#0053FCno green cones; the most common form, about 1% of men; ΔE 14.9 from the original
Tritanopia#007A9Dno blue cones; rare, and affects men and women equally; ΔE 101.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.44:1WCAG large text: AAA
Contrast with black, large text3.26:1WCAG large text: AA

Named colours

Medium blue · ΔE 17.5Blue violet · ΔE 23Blue · ΔE 25.2Dark violet · ΔE 30Dark orchid · ΔE 35.5Medium slateblue · ΔE 36.6
Nearest named CSS colourMedium blue (#0000CD)ΔE 17.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFE526
Analogous#26ADFF, #7826FF
Triadic#FF2640, #40FF26
Split complementary#FF7826, #ADFF26
Tetradic#FF26AD, #FFE526, #26FF78

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2F4FF
Lighter +30%#BFC7FF
Lighter +20%#8C9AFF
Lighter +10%#596DFF
Darker −10%#001DF2
Darker −20%#0017BF
Darker −30%#00118C
Darker −40%#000B59
More saturated +25%#2640FF
Less saturated −25%#4155E4

Channel breakdown

R38
G64
B255
Red38 (14.9%)
Green64 (25.1%)
Blue255 (100%)
Hue232.81°
Saturation (HSL)100%
Lightness57.45%
Dominant channelBlue
Hex per channelR 26 · G 40 · B FF

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Every value on this page was computed from “2640ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.