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Recognised as Colour

#0044DB

  • #0044DB
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0044DB is a blue with RGB values 0, 68, 219 and HSL 221°, 100%, 43%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0044DB#0044DB
HEX#0044DB
RGBrgb(0, 68, 219)
RGB (0–1)0, 0.2667, 0.8588
RGB percentages0%, 26.7%, 85.9%
HSLhsl(221.4, 100%, 42.9%)
HSV / HSBhsv(221.4, 100%, 85.9%)
CMYK100%, 68.9%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer17,627
CSS custom property--colour: #0044DB;

Brightness & contrast

Relative luminance0.09249WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.37:1
Contrast with white7.37:1WCAG normal text: AAA
Contrast with black2.85:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#FFBB24

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0060E0no red cones; affects about 1% of men; ΔE 20 from the original
Deuteranopia#004CD8no green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#006F8Ano blue cones; rare, and affects men and women equally; ΔE 83.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.37:1WCAG large text: AAA
Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 21.9Slate blue · ΔE 25.4Royal blue · ΔE 25.5Dark blue · ΔE 25.8Blue violet · ΔE 27.9Navy · ΔE 28.6
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 21.9, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DB9700
Analogous#00B2DB, #2900DB
Triadic#DB0044, #44DB00
Split complementary#DB2900, #B2DB00
Tetradic#DB00B2, #DB9700, #00DB29

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8C3FF
Lighter +30%#75A0FF
Lighter +20%#427DFF
Lighter +10%#0F5AFF
Darker −10%#0034A8
Darker −20%#002475
Darker −30%#001442
Darker −40%#00050F
More saturated +25%#0044DB
Less saturated −25%#1B4EC0

Channel breakdown

R0
G68
B219
Red0 (0%)
Green68 (26.7%)
Blue219 (85.9%)
Hue221.37°
Saturation (HSL)100%
Lightness42.94%
Dominant channelBlue
Hex per channelR 00 · G 44 · B DB

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Every value on this page was computed from “0044db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.