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Recognised as Colour

#003CBD

  • #003CBD
  • Blue
  • Dark
  • Nearest: Slate blue

#003CBD is a blue with RGB values 0, 60, 189 and HSL 221°, 100%, 37%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#003CBD#003CBD
HEX#003CBD
RGBrgb(0, 60, 189)
RGB (0–1)0, 0.2353, 0.7412
RGB percentages0%, 23.5%, 74.1%
HSLhsl(221, 100%, 37.1%)
HSV / HSBhsv(221, 100%, 74.1%)
CMYK100%, 68.3%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,549
CSS custom property--colour: #003CBD;

Brightness & contrast

Relative luminance0.06906WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.82:1
Contrast with white8.82:1WCAG normal text: AAA
Contrast with black2.38:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#FFC342

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0053C1no red cones; affects about 1% of men; ΔE 17.1 from the original
Deuteranopia#0042BBno green cones; the most common form, about 1% of men; ΔE 5.9 from the original
Tritanopia#006077no blue cones; rare, and affects men and women equally; ΔE 73.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.82:1WCAG large text: AAA
Contrast with black, large text2.38:1WCAG large text: Fail

Named colours

Slate blue · ΔE 19.2Royal blue · ΔE 20.3Dark blue · ΔE 21.6Medium slateblue · ΔE 21.7Navy · ΔE 22.3Rebecca purple · ΔE 24.7
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 19.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD8100
Analogous#009ABD, #2300BD
Triadic#BD003C, #3CBD00
Split complementary#BD2300, #9ABD00
Tetradic#BD009A, #BD8100, #00BD23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8AAFFF
Lighter +30%#578CFF
Lighter +20%#246AFF
Lighter +10%#004CF0
Darker −10%#002C8A
Darker −20%#001C57
Darker −30%#000B24
Darker −40%#000000
More saturated +25%#003CBD
Less saturated −25%#1845A5

Channel breakdown

R0
G60
B189
Red0 (0%)
Green60 (23.5%)
Blue189 (74.1%)
Hue220.95°
Saturation (HSL)100%
Lightness37.06%
Dominant channelBlue
Hex per channelR 00 · G 3C · B BD

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