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Recognised as Colour

#003DDE

  • #003DDE
  • Blue
  • Dark
  • Nearest: Medium blue

#003DDE is a blue with RGB values 0, 61, 222 and HSL 224°, 100%, 44%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#003DDE#003DDE
HEX#003DDE
RGBrgb(0, 61, 222)
RGB (0–1)0, 0.2392, 0.8706
RGB percentages0%, 23.9%, 87.1%
HSLhsl(223.5, 100%, 43.5%)
HSV / HSBhsv(223.5, 100%, 87.1%)
CMYK100%, 72.5%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,838
CSS custom property--colour: #003DDE;

Brightness & contrast

Relative luminance0.08611WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.71:1
Contrast with white7.71:1WCAG normal text: AAA
Contrast with black2.72:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#FFC221

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DE3no red cones; affects about 1% of men; ΔE 22.6 from the original
Deuteranopia#0049DBno green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#006C8Ano blue cones; rare, and affects men and women equally; ΔE 87.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.71:1WCAG large text: AAA
Contrast with black, large text2.72:1WCAG large text: Fail

Named colours

Medium blue · ΔE 22.5Blue violet · ΔE 24.4Dark blue · ΔE 25.8Medium slateblue · ΔE 26.4Navy · ΔE 29.7Dark orchid · ΔE 30.5
Nearest named CSS colourMedium blue (#0000CD)ΔE 22.49, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DEA100
Analogous#00ACDE, #3200DE
Triadic#DE003D, #3DDE00
Split complementary#DE3200, #ACDE00
Tetradic#DE00AC, #DEA100, #00DE32

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABC2FF
Lighter +30%#789DFF
Lighter +20%#4578FF
Lighter +10%#1253FF
Darker −10%#002FAB
Darker −20%#002178
Darker −30%#001345
Darker −40%#000512
More saturated +25%#003DDE
Less saturated −25%#1C49C2

Channel breakdown

R0
G61
B222
Red0 (0%)
Green61 (23.9%)
Blue222 (87.1%)
Hue223.51°
Saturation (HSL)100%
Lightness43.53%
Dominant channelBlue
Hex per channelR 00 · G 3D · B DE

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