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Colour

#00215F

  • #00215F
  • Blue
  • Dark
  • Nearest: Midnight blue

#00215F is a blue with RGB values 0, 33, 95 and HSL 219°, 100%, 19%. It is a dark colour, so white text on it reaches 15.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#00215F#00215F
HEX#00215F
RGBrgb(0, 33, 95)
RGB (0–1)0, 0.1294, 0.3725
RGB percentages0%, 12.9%, 37.3%
HSLhsl(219.2, 100%, 18.6%)
HSV / HSBhsv(219.2, 100%, 37.3%)
CMYK100%, 65.3%, 0%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,543
CSS custom property--colour: #00215F;

Brightness & contrast

Relative luminance0.01914WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.19:1
Contrast with white15.19:1WCAG normal text: AAA
Contrast with black1.38:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#FFDEA0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002A61no red cones; affects about 1% of men; ΔE 7.5 from the original
Deuteranopia#00225Eno green cones; the most common form, about 1% of men; ΔE 1.6 from the original
Tritanopia#00313Cno blue cones; rare, and affects men and women equally; ΔE 39.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.19:1WCAG large text: AAA
Contrast with black, large text1.38:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 17.6Dark slateblue · ΔE 18.3Rebecca purple · ΔE 32.2Indigo · ΔE 37.5Navy · ΔE 39.4Slate blue · ΔE 40
Nearest named CSS colourMidnight blue (#191970)ΔE 17.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5F3E00
Analogous#00515F, #0E005F
Triadic#5F0021, #215F00
Split complementary#5F0E00, #515F00
Tetradic#5F0051, #5F3E00, #005F0E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2C75FF
Lighter +30%#0056F8
Lighter +20%#0044C5
Lighter +10%#003392
Darker −10%#000F2C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00215F
Less saturated −25%#0C2553

Channel breakdown

R0
G33
B95
Red0 (0%)
Green33 (12.9%)
Blue95 (37.3%)
Hue219.16°
Saturation (HSL)100%
Lightness18.63%
Dominant channelBlue
Hex per channelR 00 · G 21 · B 5F

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Every value on this page was computed from “00215f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.