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Recognised as Colour

#121A91

  • #121A91
  • Blue
  • Dark
  • Nearest: Navy

#121A91 is a blue with RGB values 18, 26, 145 and HSL 236°, 78%, 32%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#121A91#121A91
HEX#121A91
RGBrgb(18, 26, 145)
RGB (0–1)0.0706, 0.102, 0.5686
RGB percentages7.1%, 10.2%, 56.9%
HSLhsl(236.2, 77.9%, 32%)
HSV / HSBhsv(236.2, 87.6%, 56.9%)
CMYK87.6%, 82.1%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,186,449
CSS custom property--colour: #121A91;

Brightness & contrast

Relative luminance0.02912WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.27:1
Contrast with white13.27:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#EDE56E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003694no red cones; affects about 1% of men; ΔE 20.5 from the original
Deuteranopia#00298Fno green cones; the most common form, about 1% of men; ΔE 12.1 from the original
Tritanopia#004056no blue cones; rare, and affects men and women equally; ΔE 69.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.27:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Navy · ΔE 8.6Dark blue · ΔE 10.6Indigo · ΔE 14.4Midnight blue · ΔE 18.4Rebecca purple · ΔE 21.6Slate blue · ΔE 27.2
Nearest named CSS colourNavy (#000080)ΔE 8.56, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#918912
Analogous#125A91, #491291
Triadic#91121A, #1A9112
Split complementary#914A12, #599112
Tetradic#91125A, #918912, #12914A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8087EF
Lighter +30%#525CEA
Lighter +20%#2531E4
Lighter +10%#1822BE
Darker −10%#0C1264
Darker −20%#070A36
Darker −30%#010209
Darker −40%#000000
More saturated +25%#000AA3
Less saturated −25%#262C7D

Channel breakdown

R18
G26
B145
Red18 (7.1%)
Green26 (10.2%)
Blue145 (56.9%)
Hue236.22°
Saturation (HSL)77.91%
Lightness31.96%
Dominant channelBlue
Hex per channelR 12 · G 1A · B 91

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Every value on this page was computed from “121a91” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.