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Colour

#0030DF

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

#0030DF is a blue with RGB values 0, 48, 223 and HSL 227°, 100%, 44%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0030DF#0030DF
HEX#0030DF
RGBrgb(0, 48, 223)
RGB (0–1)0, 0.1882, 0.8745
RGB percentages0%, 18.8%, 87.5%
HSLhsl(227.1, 100%, 43.7%)
HSV / HSBhsv(227.1, 100%, 87.5%)
CMYK100%, 78.5%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,511
CSS custom property--colour: #0030DF;

Brightness & contrast

Relative luminance0.07442WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.44:1
Contrast with white8.44:1WCAG normal text: AAA
Contrast with black2.49:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#FFCF20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0058E4no red cones; affects about 1% of men; ΔE 27.2 from the original
Deuteranopia#0042DCno green cones; the most common form, about 1% of men; ΔE 13.8 from the original
Tritanopia#006788no blue cones; rare, and affects men and women equally; ΔE 93.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.44:1WCAG large text: AAA
Contrast with black, large text2.49:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.8Blue violet · ΔE 21.8Dark blue · ΔE 27.7Dark violet · ΔE 28.3Blue · ΔE 29.9Dark orchid · ΔE 32
Nearest named CSS colourMedium blue (#0000CD)ΔE 13.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFAF00
Analogous#00A0DF, #3F00DF
Triadic#DF0030, #30DF00
Split complementary#DF3F00, #A0DF00
Tetradic#DF00A0, #DFAF00, #00DF3F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACBEFF
Lighter +30%#7996FF
Lighter +20%#466EFF
Lighter +10%#1346FF
Darker −10%#0025AC
Darker −20%#001A79
Darker −30%#000F46
Darker −40%#000413
More saturated +25%#0030DF
Less saturated −25%#1C40C3

Channel breakdown

R0
G48
B223
Red0 (0%)
Green48 (18.8%)
Blue223 (87.5%)
Hue227.09°
Saturation (HSL)100%
Lightness43.73%
Dominant channelBlue
Hex per channelR 00 · G 30 · B DF

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