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Recognised as Colour

#0645DC

  • #0645DC
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0645DC is a blue with RGB values 6, 69, 220 and HSL 222°, 95%, 44%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0645DC#0645DC
HEX#0645DC
RGBrgb(6, 69, 220)
RGB (0–1)0.0235, 0.2706, 0.8627
RGB percentages2.4%, 27.1%, 86.3%
HSLhsl(222.3, 94.7%, 44.3%)
HSV / HSBhsv(222.3, 97.3%, 86.3%)
CMYK97.3%, 68.6%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer411,100
CSS custom property--colour: #0645DC;

Brightness & contrast

Relative luminance0.09462WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.2 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#434343
Inverted#F9BA23

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0060E1no red cones; affects about 1% of men; ΔE 19.2 from the original
Deuteranopia#004DD9no green cones; the most common form, about 1% of men; ΔE 7.8 from the original
Tritanopia#00708Bno blue cones; rare, and affects men and women equally; ΔE 83.6 from the original
Distinguishable without hueShifts in lightness toonever 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

Medium slateblue · ΔE 21.5Royal blue · ΔE 25.2Slate blue · ΔE 25.2Dark blue · ΔE 26.1Blue violet · ΔE 27.9Navy · ΔE 28.9
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 21.54, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DC9D06
Analogous#06B0DC, #3206DC
Triadic#DC0645, #45DC06
Split complementary#DC3206, #B0DC06
Tetradic#DC06B0, #DC9D06, #06DC32

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B1C7FD
Lighter +30%#7FA4FC
Lighter +20%#4E81FA
Lighter +10%#1C5DF9
Darker −10%#0535AA
Darker −20%#032679
Darker −30%#021647
Darker −40%#010715
More saturated +25%#0043E2
Less saturated −25%#2251C0

Channel breakdown

R6
G69
B220
Red6 (2.4%)
Green69 (27.1%)
Blue220 (86.3%)
Hue222.34°
Saturation (HSL)94.69%
Lightness44.31%
Dominant channelBlue
Hex per channelR 06 · G 45 · B DC

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Every value on this page was computed from “0645dc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.