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Colour

#003DB0

  • #003DB0
  • Blue
  • Dark
  • Nearest: Slate blue

#003DB0 is a blue with RGB values 0, 61, 176 and HSL 219°, 100%, 35%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#003DB0#003DB0
HEX#003DB0
RGBrgb(0, 61, 176)
RGB (0–1)0, 0.2392, 0.6902
RGB percentages0%, 23.9%, 69%
HSLhsl(219.2, 100%, 34.5%)
HSV / HSBhsv(219.2, 100%, 69%)
CMYK100%, 65.3%, 0%, 31%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,792
CSS custom property--colour: #003DB0;

Brightness & contrast

Relative luminance0.06472WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.15:1
Contrast with white9.15:1WCAG normal text: AAA
Contrast with black2.29:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#FFC24F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0050B4no red cones; affects about 1% of men; ΔE 14.1 from the original
Deuteranopia#0040AEno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#005C71no blue cones; rare, and affects men and women equally; ΔE 66 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.15:1WCAG large text: AAA
Contrast with black, large text2.29:1WCAG large text: Fail

Named colours

Slate blue · ΔE 17.1Royal blue · ΔE 18Midnight blue · ΔE 21.4Rebecca purple · ΔE 21.5Dark slateblue · ΔE 23.6Medium slateblue · ΔE 23.7
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 17.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B07300
Analogous#0095B0, #1B00B0
Triadic#B0003D, #3DB000
Split complementary#B01B00, #95B000
Tetradic#B00095, #B07300, #00B01B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7DAAFF
Lighter +30%#4A89FF
Lighter +20%#1767FF
Lighter +10%#004FE3
Darker −10%#002B7D
Darker −20%#001A4A
Darker −30%#000817
Darker −40%#000000
More saturated +25%#003DB0
Less saturated −25%#16449A

Channel breakdown

R0
G61
B176
Red0 (0%)
Green61 (23.9%)
Blue176 (69%)
Hue219.2°
Saturation (HSL)100%
Lightness34.51%
Dominant channelBlue
Hex per channelR 00 · G 3D · B B0

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Every value on this page was computed from “003db0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.