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Recognised as Colour

#003EC9

  • #003EC9
  • Blue
  • Dark
  • Nearest: Medium slateblue

#003EC9 is a blue with RGB values 0, 62, 201 and HSL 221°, 100%, 39%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#003EC9#003EC9
HEX#003EC9
RGBrgb(0, 62, 201)
RGB (0–1)0, 0.2431, 0.7882
RGB percentages0%, 24.3%, 78.8%
HSLhsl(221.5, 100%, 39.4%)
HSV / HSBhsv(221.5, 100%, 78.8%)
CMYK100%, 69.2%, 0%, 21.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,073
CSS custom property--colour: #003EC9;

Brightness & contrast

Relative luminance0.07662WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.29:1
Contrast with white8.29:1WCAG normal text: AAA
Contrast with black2.53:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#FFC136

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057CDno red cones; affects about 1% of men; ΔE 18.4 from the original
Deuteranopia#0045C7no green cones; the most common form, about 1% of men; ΔE 6.6 from the original
Tritanopia#00657Fno blue cones; rare, and affects men and women equally; ΔE 77.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.29:1WCAG large text: AAA
Contrast with black, large text2.53:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 21.4Slate blue · ΔE 21.8Dark blue · ΔE 22.1Royal blue · ΔE 22.6Navy · ΔE 24Indigo · ΔE 27.9
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 21.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C98B00
Analogous#00A2C9, #2700C9
Triadic#C9003E, #3EC900
Split complementary#C92600, #A3C900
Tetradic#C900A2, #C98B00, #00C926

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#96B6FF
Lighter +30%#6393FF
Lighter +20%#3070FF
Lighter +10%#004EFC
Darker −10%#002E96
Darker −20%#001F63
Darker −30%#000F30
Darker −40%#000000
More saturated +25%#003EC9
Less saturated −25%#1948B0

Channel breakdown

R0
G62
B201
Red0 (0%)
Green62 (24.3%)
Blue201 (78.8%)
Hue221.49°
Saturation (HSL)100%
Lightness39.41%
Dominant channelBlue
Hex per channelR 00 · G 3E · B C9

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Every value on this page was computed from “003ec9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.