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Colour

#004DB4

  • #004DB4
  • Blue
  • Dark
  • Nearest: Royal blue

#004DB4 is a blue with RGB values 0, 77, 180 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

#004DB4#004DB4
HEX#004DB4
RGBrgb(0, 77, 180)
RGB (0–1)0, 0.302, 0.7059
RGB percentages0%, 30.2%, 70.6%
HSLhsl(214.3, 100%, 35.3%)
HSV / HSBhsv(214.3, 100%, 70.6%)
CMYK100%, 57.2%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer19,892
CSS custom property--colour: #004DB4;

Brightness & contrast

Relative luminance0.08603WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.72:1
Contrast with white7.72:1WCAG normal text: AAA
Contrast with black2.72:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#FFB24B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005BB8no red cones; affects about 1% of men; ΔE 10 from the original
Deuteranopia#004CB2no green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#006779no blue cones; rare, and affects men and women equally; ΔE 58.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.72:1WCAG large text: AAA
Contrast with black, large text2.72:1WCAG large text: Fail

Named colours

Royal blue · ΔE 14.3Slate blue · ΔE 17.3Dark slateblue · ΔE 18.7Midnight blue · ΔE 23.9Rebecca purple · ΔE 24.5Medium slateblue · ΔE 26
Nearest named CSS colourRoyal blue (#4169E1)ΔE 14.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B46700
Analogous#00A7B4, #0D00B4
Triadic#B4004D, #4DB400
Split complementary#B40D00, #A7B400
Tetradic#B400A7, #B46700, #00B40D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#81B7FF
Lighter +30%#4E9AFF
Lighter +20%#1B7DFF
Lighter +10%#0063E7
Darker −10%#003781
Darker −20%#00214E
Darker −30%#000C1B
Darker −40%#000000
More saturated +25%#004DB4
Less saturated −25%#17509E

Channel breakdown

R0
G77
B180
Red0 (0%)
Green77 (30.2%)
Blue180 (70.6%)
Hue214.33°
Saturation (HSL)100%
Lightness35.29%
Dominant channelBlue
Hex per channelR 00 · G 4D · B B4

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Every value on this page was computed from “004db4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.