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Recognised as Colour

#0019CC

  • #0019CC
  • Blue
  • Dark
  • Nearest: Medium blue

#0019CC is a blue with RGB values 0, 25, 204 and HSL 233°, 100%, 40%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0019CC#0019CC
HEX#0019CC
RGBrgb(0, 25, 204)
RGB (0–1)0, 0.098, 0.8
RGB percentages0%, 9.8%, 80%
HSLhsl(232.6, 100%, 40%)
HSV / HSBhsv(232.6, 100%, 80%)
CMYK100%, 87.7%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,604
CSS custom property--colour: #0019CC;

Brightness & contrast

Relative luminance0.05055WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.44:1
Contrast with white10.44:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#FFE633

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004AD1no red cones; affects about 1% of men; ΔE 30.2 from the original
Deuteranopia#0035C9no green cones; the most common form, about 1% of men; ΔE 17.9 from the original
Tritanopia#005879no blue cones; rare, and affects men and women equally; ΔE 94.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.44:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Medium blue · ΔE 7.8Blue violet · ΔE 22.1Dark blue · ΔE 24.8Dark violet · ΔE 26.6Blue · ΔE 27.9Navy · ΔE 29.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 7.84, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CCB300
Analogous#007FCC, #4D00CC
Triadic#CC0019, #19CC00
Split complementary#CC4D00, #7FCC00
Tetradic#CC007F, #CCB300, #00CC4D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#99A6FF
Lighter +30%#6679FF
Lighter +20%#334CFF
Lighter +10%#001FFF
Darker −10%#001399
Darker −20%#000D66
Darker −30%#000633
Darker −40%#000000
More saturated +25%#0019CC
Less saturated −25%#192CB3

Channel breakdown

R0
G25
B204
Red0 (0%)
Green25 (9.8%)
Blue204 (80%)
Hue232.65°
Saturation (HSL)100%
Lightness40%
Dominant channelBlue
Hex per channelR 00 · G 19 · B CC

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Every value on this page was computed from “0019cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.