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Recognised as Colour

#2160B3

  • #2160B3
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2160B3 is a blue with RGB values 33, 96, 179 and HSL 214°, 69%, 42%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2160B3#2160B3
HEX#2160B3
RGBrgb(33, 96, 179)
RGB (0–1)0.1294, 0.3765, 0.702
RGB percentages12.9%, 37.6%, 70.2%
HSLhsl(214.1, 68.9%, 41.6%)
HSV / HSBhsv(214.1, 81.6%, 70.2%)
CMYK81.6%, 46.4%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,187,443
CSS custom property--colour: #2160B3;

Brightness & contrast

Relative luminance0.11944WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.2:1
Contrast with white6.2:1WCAG normal text: AA
Contrast with black3.39:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#DE9F4C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3368B6no red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#0B5BB1no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#007481no blue cones; rare, and affects men and women equally; ΔE 48.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.2:1WCAG large text: AAA
Contrast with black, large text3.39:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 19.7Cornflower blue · ΔE 20.9Royal blue · ΔE 22.8Dodgerblue · ΔE 22.9Steel blue · ΔE 25.7Slate blue · ΔE 26.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.74, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B37421
Analogous#21A9B3, #2B21B3
Triadic#B32160, #60B321
Split complementary#B32B21, #A9B321
Tetradic#B321A9, #B37421, #21B32B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0CCF0
Lighter +30%#85B0E8
Lighter +20%#5A94E0
Lighter +10%#2E78D9
Darker −10%#194988
Darker −20%#11325D
Darker −30%#091B32
Darker −40%#010407
More saturated +25%#075CCD
Less saturated −25%#3C6498

Channel breakdown

R33
G96
B179
Red33 (12.9%)
Green96 (37.6%)
Blue179 (70.2%)
Hue214.11°
Saturation (HSL)68.87%
Lightness41.57%
Dominant channelBlue
Hex per channelR 21 · G 60 · B B3

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Every value on this page was computed from “2160b3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.