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Recognised as Colour

#0030DB

  • #0030DB
  • Blue
  • Dark
  • Nearest: Medium blue

#0030DB is a blue with RGB values 0, 48, 219 and HSL 227°, 100%, 43%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0030DB#0030DB
HEX#0030DB
RGBrgb(0, 48, 219)
RGB (0–1)0, 0.1882, 0.8588
RGB percentages0%, 18.8%, 85.9%
HSLhsl(226.8, 100%, 42.9%)
HSV / HSBhsv(226.8, 100%, 85.9%)
CMYK100%, 78.1%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,507
CSS custom property--colour: #0030DB;

Brightness & contrast

Relative luminance0.07228WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.59:1
Contrast with white8.59:1WCAG normal text: AAA
Contrast with black2.45:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#FFCF24

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0056E0no red cones; affects about 1% of men; ΔE 25.9 from the original
Deuteranopia#0041D8no green cones; the most common form, about 1% of men; ΔE 13.2 from the original
Tritanopia#006685no blue cones; rare, and affects men and women equally; ΔE 93.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.59:1WCAG large text: AAA
Contrast with black, large text2.45:1WCAG large text: Fail

Named colours

Medium blue · ΔE 15Blue violet · ΔE 22Dark blue · ΔE 26Dark violet · ΔE 28.4Navy · ΔE 30.7Dark orchid · ΔE 31.2
Nearest named CSS colourMedium blue (#0000CD)ΔE 14.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBAB00
Analogous#009DDB, #3E00DB
Triadic#DB0030, #30DB00
Split complementary#DB3E00, #9DDB00
Tetradic#DB009D, #DBAB00, #00DB3E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8BBFF
Lighter +30%#7593FF
Lighter +20%#426BFF
Lighter +10%#0F44FF
Darker −10%#0025A8
Darker −20%#001A75
Darker −30%#000E42
Darker −40%#00030F
More saturated +25%#0030DB
Less saturated −25%#1B3FC0

Channel breakdown

R0
G48
B219
Red0 (0%)
Green48 (18.8%)
Blue219 (85.9%)
Hue226.85°
Saturation (HSL)100%
Lightness42.94%
Dominant channelBlue
Hex per channelR 00 · G 30 · B DB

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Every value on this page was computed from “0030db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.