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Colour

#004DB5

  • #004DB5
  • Blue
  • Dark
  • Nearest: Royal blue

#004DB5 is a blue with RGB values 0, 77, 181 and HSL 214°, 100%, 35%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#004DB5#004DB5
HEX#004DB5
RGBrgb(0, 77, 181)
RGB (0–1)0, 0.302, 0.7098
RGB percentages0%, 30.2%, 71%
HSLhsl(214.5, 100%, 35.5%)
HSV / HSBhsv(214.5, 100%, 71%)
CMYK100%, 57.5%, 0%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer19,893
CSS custom property--colour: #004DB5;

Brightness & contrast

Relative luminance0.08644WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.7:1
Contrast with white7.7:1WCAG normal text: AAA
Contrast with black2.73:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#FFB24A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005BB9no red cones; affects about 1% of men; ΔE 10 from the original
Deuteranopia#004CB3no green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#006879no blue cones; rare, and affects men and women equally; ΔE 60.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.7:1WCAG large text: AAA
Contrast with black, large text2.73:1WCAG large text: Fail

Named colours

Royal blue · ΔE 14Slate blue · ΔE 17Dark slateblue · ΔE 19.1Midnight blue · ΔE 24Rebecca purple · ΔE 24.4Medium slateblue · ΔE 25.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 13.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B56800
Analogous#00A8B5, #0D00B5
Triadic#B5004D, #4DB500
Split complementary#B50D00, #A8B500
Tetradic#B500A8, #B56800, #00B50D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#82B7FF
Lighter +30%#4F9AFF
Lighter +20%#1C7DFF
Lighter +10%#0063E8
Darker −10%#003782
Darker −20%#00224F
Darker −30%#000C1C
Darker −40%#000000
More saturated +25%#004DB5
Less saturated −25%#17509E

Channel breakdown

R0
G77
B181
Red0 (0%)
Green77 (30.2%)
Blue181 (71%)
Hue214.48°
Saturation (HSL)100%
Lightness35.49%
Dominant channelBlue
Hex per channelR 00 · G 4D · B B5

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Every value on this page was computed from “004db5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.