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Recognised as Colour

#0049DD

  • #0049DD
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0049DD is a blue with RGB values 0, 73, 221 and HSL 220°, 100%, 43%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0049DD#0049DD
HEX#0049DD
RGBrgb(0, 73, 221)
RGB (0–1)0, 0.2863, 0.8667
RGB percentages0%, 28.6%, 86.7%
HSLhsl(220.2, 100%, 43.3%)
HSV / HSBhsv(220.2, 100%, 86.7%)
CMYK100%, 67%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer18,909
CSS custom property--colour: #0049DD;

Brightness & contrast

Relative luminance0.09986WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.01:1
Contrast with white7.01:1WCAG normal text: AAA
Contrast with black3:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#FFB622

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0063E2no red cones; affects about 1% of men; ΔE 18.5 from the original
Deuteranopia#004FDAno green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#00728Dno blue cones; rare, and affects men and women equally; ΔE 81.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.01:1WCAG large text: AAA
Contrast with black, large text3:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 20.1Royal blue · ΔE 22.6Slate blue · ΔE 23.4Dark blue · ΔE 27.2Navy · ΔE 29.6Blue violet · ΔE 29.7
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 20.07, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD9400
Analogous#00B7DD, #2600DD
Triadic#DD0049, #49DD00
Split complementary#DD2600, #B7DD00
Tetradic#DD00B7, #DD9400, #00DD26

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AAC6FF
Lighter +30%#77A4FF
Lighter +20%#4482FF
Lighter +10%#1160FF
Darker −10%#0038AA
Darker −20%#002777
Darker −30%#001644
Darker −40%#000611
More saturated +25%#0049DD
Less saturated −25%#1C52C1

Channel breakdown

R0
G73
B221
Red0 (0%)
Green73 (28.6%)
Blue221 (86.7%)
Hue220.18°
Saturation (HSL)100%
Lightness43.33%
Dominant channelBlue
Hex per channelR 00 · G 49 · B DD

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Every value on this page was computed from “0049dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.