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Colour

#002640

  • #002640
  • Blue
  • Dark
  • Nearest: Black

#002640 is a blue with RGB values 0, 38, 64 and HSL 204°, 100%, 13%. It is a dark colour, so white text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#002640#002640
HEX#002640
RGBrgb(0, 38, 64)
RGB (0–1)0, 0.149, 0.251
RGB percentages0%, 14.9%, 25.1%
HSLhsl(204.4, 100%, 12.5%)
HSV / HSBhsv(204.4, 100%, 25.1%)
CMYK100%, 40.6%, 0%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,792
CSS custom property--colour: #002640;

Brightness & contrast

Relative luminance0.01756WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.54:1
Contrast with white15.54:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#FFD9BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#192741no red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#102140no green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#002C2Fno blue cones; rare, and affects men and women equally; ΔE 18.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.54:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Black · ΔE 24.6Dark slate grey · ΔE 25.9Dim grey · ΔE 36.4Dark slateblue · ΔE 38.9Slate grey · ΔE 39.9Steel blue · ΔE 40.3
Nearest named CSS colourBlack (#000000)ΔE 24.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#401A00
Analogous#00403A, #000640
Triadic#400026, #264000
Split complementary#400006, #403A00
Tetradic#3A0040, #401A00, #064000

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0D9DFF
Lighter +30%#0081D9
Lighter +20%#0063A6
Lighter +10%#004473
Darker −10%#00080D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002640
Less saturated −25%#082538

Channel breakdown

R0
G38
B64
Red0 (0%)
Green38 (14.9%)
Blue64 (25.1%)
Hue204.38°
Saturation (HSL)100%
Lightness12.55%
Dominant channelBlue
Hex per channelR 00 · G 26 · B 40

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Every value on this page was computed from “hex 002640” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.