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Colour

#003DCD

  • #003DCD
  • Blue
  • Dark
  • Nearest: Dark blue

#003DCD is a blue with RGB values 0, 61, 205 and HSL 222°, 100%, 40%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#003DCD#003DCD
HEX#003DCD
RGBrgb(0, 61, 205)
RGB (0–1)0, 0.2392, 0.8039
RGB percentages0%, 23.9%, 80.4%
HSLhsl(222.1, 100%, 40.2%)
HSV / HSBhsv(222.1, 100%, 80.4%)
CMYK100%, 70.2%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,821
CSS custom property--colour: #003DCD;

Brightness & contrast

Relative luminance0.07745WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.24:1
Contrast with white8.24:1WCAG normal text: AAA
Contrast with black2.55:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#FFC232

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0058D1no red cones; affects about 1% of men; ΔE 19.8 from the original
Deuteranopia#0045CAno green cones; the most common form, about 1% of men; ΔE 7.8 from the original
Tritanopia#006681no blue cones; rare, and affects men and women equally; ΔE 79.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.24:1WCAG large text: AAA
Contrast with black, large text2.55:1WCAG large text: Fail

Named colours

Dark blue · ΔE 22.1Medium slateblue · ΔE 22.3Slate blue · ΔE 23.8Navy · ΔE 24.6Royal blue · ΔE 24.8Indigo · ΔE 28.9
Nearest named CSS colourDark blue (#00008B)ΔE 22.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD9000
Analogous#00A4CD, #2900CD
Triadic#CD003D, #3DCD00
Split complementary#CD2900, #A4CD00
Tetradic#CD00A4, #CD9000, #00CD29

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9AB8FF
Lighter +30%#6794FF
Lighter +20%#3470FF
Lighter +10%#014DFF
Darker −10%#002E9A
Darker −20%#001F67
Darker −30%#000F34
Darker −40%#000001
More saturated +25%#003DCD
Less saturated −25%#1A47B3

Channel breakdown

R0
G61
B205
Red0 (0%)
Green61 (23.9%)
Blue205 (80.4%)
Hue222.15°
Saturation (HSL)100%
Lightness40.2%
Dominant channelBlue
Hex per channelR 00 · G 3D · B CD

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Every value on this page was computed from “003dcd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.