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Colour

#0640AF

  • #0640AF
  • Blue
  • Dark
  • Nearest: Slate blue

#0640AF is a blue with RGB values 6, 64, 175 and HSL 219°, 93%, 35%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#0640AF#0640AF
HEX#0640AF
RGBrgb(6, 64, 175)
RGB (0–1)0.0235, 0.251, 0.6863
RGB percentages2.4%, 25.1%, 68.6%
HSLhsl(219.4, 93.4%, 35.5%)
HSV / HSBhsv(219.4, 96.6%, 68.6%)
CMYK96.6%, 63.4%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer409,775
CSS custom property--colour: #0640AF;

Brightness & contrast

Relative luminance0.06801WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.9:1
Contrast with white8.9:1WCAG normal text: AAA
Contrast with black2.36:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#F9BF50

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0051B3no red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#0043ADno green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#005E71no blue cones; rare, and affects men and women equally; ΔE 64.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.9:1WCAG large text: AAA
Contrast with black, large text2.36:1WCAG large text: Fail

Named colours

Slate blue · ΔE 16.5Royal blue · ΔE 16.9Midnight blue · ΔE 20.8Rebecca purple · ΔE 21.2Dark slateblue · ΔE 21.4Medium slateblue · ΔE 24.1
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 16.52, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF7506
Analogous#0694AF, #2106AF
Triadic#AF0640, #40AF06
Split complementary#AF2106, #94AF06
Tetradic#AF0694, #AF7506, #06AF21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#86AEFB
Lighter +30%#558DF9
Lighter +20%#246CF7
Lighter +10%#0852E0
Darker −10%#042E7E
Darker −20%#031C4C
Darker −30%#010A1B
Darker −40%#000000
More saturated +25%#003EB5
Less saturated −25%#1D4798

Channel breakdown

R6
G64
B175
Red6 (2.4%)
Green64 (25.1%)
Blue175 (68.6%)
Hue219.41°
Saturation (HSL)93.37%
Lightness35.49%
Dominant channelBlue
Hex per channelR 06 · G 40 · B AF

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Every value on this page was computed from “0640af” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.