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Colour

#02407B

  • #02407B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#02407B is a blue with RGB values 2, 64, 123 and HSL 209°, 97%, 25%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#02407B#02407B
HEX#02407B
RGBrgb(2, 64, 123)
RGB (0–1)0.0078, 0.251, 0.4824
RGB percentages0.8%, 25.1%, 48.2%
HSLhsl(209.3, 96.8%, 24.5%)
HSV / HSBhsv(209.3, 98.4%, 48.2%)
CMYK98.4%, 48%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer147,579
CSS custom property--colour: #02407B;

Brightness & contrast

Relative luminance0.0511WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.39:1
Contrast with white10.39:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#FDBF84

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1F457Dno red cones; affects about 1% of men; ΔE 3.6 from the original
Deuteranopia#003B7Ano green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#004E57no blue cones; rare, and affects men and women equally; ΔE 36.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.39:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.7Steel blue · ΔE 28.4Midnight blue · ΔE 29.3Cornflower blue · ΔE 36.6Rebecca purple · ΔE 37.3Royal blue · ΔE 39
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B3D02
Analogous#027B7A, #02047B
Triadic#7B0240, #407B02
Split complementary#7B0203, #7B7A02
Tetradic#7A027B, #7B3D02, #037B02

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4DA7FC
Lighter +30%#1B8EFB
Lighter +20%#0474DF
Lighter +10%#035AAD
Darker −10%#012649
Darker −20%#000C17
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00407D
Less saturated −25%#12406B

Channel breakdown

R2
G64
B123
Red2 (0.8%)
Green64 (25.1%)
Blue123 (48.2%)
Hue209.26°
Saturation (HSL)96.8%
Lightness24.51%
Dominant channelBlue
Hex per channelR 02 · G 40 · B 7B

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Every value on this page was computed from “02407b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.