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Recognised as Colour

#210F73

  • #210F73
  • Blue
  • Dark
  • Nearest: Midnight blue

#210F73 is a blue with RGB values 33, 15, 115 and HSL 251°, 77%, 25%. 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

#210F73#210F73
HEX#210F73
RGBrgb(33, 15, 115)
RGB (0–1)0.1294, 0.0588, 0.451
RGB percentages12.9%, 5.9%, 45.1%
HSLhsl(250.8, 76.9%, 25.5%)
HSV / HSBhsv(250.8, 87%, 45.1%)
CMYK71.3%, 87%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,166,643
CSS custom property--colour: #210F73;

Brightness & contrast

Relative luminance0.01903WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.21:1
Contrast with white15.21:1WCAG normal text: AAA
Contrast with black1.38:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#DEF08C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002976no red cones; affects about 1% of men; ΔE 19 from the original
Deuteranopia#002271no green cones; the most common form, about 1% of men; ΔE 15.6 from the original
Tritanopia#002F43no blue cones; rare, and affects men and women equally; ΔE 58 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.21:1WCAG large text: AAA
Contrast with black, large text1.38:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8Indigo · ΔE 14Navy · ΔE 14.7Rebecca purple · ΔE 19.3Dark blue · ΔE 19.5Dark slateblue · ΔE 23.1
Nearest named CSS colourMidnight blue (#191970)ΔE 7.96, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#61730F
Analogous#0F2F73, #530F73
Triadic#73210F, #0F7321
Split complementary#73530F, #2F730F
Tetradic#730F2F, #61730F, #0F7353

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7C63EB
Lighter +30%#5636E5
Lighter +20%#3B1BCD
Lighter +10%#2E15A0
Darker −10%#140946
Darker −20%#070319
Darker −30%#000000
Darker −40%#000000
More saturated +25%#170082
Less saturated −25%#2B1F63

Channel breakdown

R33
G15
B115
Red33 (12.9%)
Green15 (5.9%)
Blue115 (45.1%)
Hue250.8°
Saturation (HSL)76.92%
Lightness25.49%
Dominant channelBlue
Hex per channelR 21 · G 0F · B 73

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Every value on this page was computed from “210f73” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.