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Recognised as Colour

#121D67

  • #121D67
  • Blue
  • Dark
  • Nearest: Midnight blue

#121D67 is a blue with RGB values 18, 29, 103 and HSL 232°, 70%, 24%. It is a dark colour, so white text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#121D67#121D67
HEX#121D67
RGBrgb(18, 29, 103)
RGB (0–1)0.0706, 0.1137, 0.4039
RGB percentages7.1%, 11.4%, 40.4%
HSLhsl(232.2, 70.2%, 23.7%)
HSV / HSBhsv(232.2, 82.5%, 40.4%)
CMYK82.5%, 71.8%, 0%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,187,175
CSS custom property--colour: #121D67;

Brightness & contrast

Relative luminance0.01987WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.03:1
Contrast with white15.03:1WCAG normal text: AAA
Contrast with black1.4:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#EDE298

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002B69no red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#002266no green cones; the most common form, about 1% of men; ΔE 5.8 from the original
Tritanopia#00313Fno blue cones; rare, and affects men and women equally; ΔE 46.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.03:1WCAG large text: AAA
Contrast with black, large text1.4:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.5Dark slateblue · ΔE 15.6Rebecca purple · ΔE 25.2Indigo · ΔE 28.6Navy · ΔE 30.4Slate blue · ΔE 34.6
Nearest named CSS colourMidnight blue (#191970)ΔE 8.5, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#675C12
Analogous#124767, #321267
Triadic#67121D, #1D6712
Split complementary#673212, #476712
Tetradic#671247, #675C12, #126731

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6272E3
Lighter +30%#364CDC
Lighter +20%#2135BE
Lighter +10%#1A2992
Darker −10%#0A113C
Darker −20%#030510
Darker −30%#000000
Darker −40%#000000
More saturated +25%#031276
Less saturated −25%#212858

Channel breakdown

R18
G29
B103
Red18 (7.1%)
Green29 (11.4%)
Blue103 (40.4%)
Hue232.24°
Saturation (HSL)70.25%
Lightness23.73%
Dominant channelBlue
Hex per channelR 12 · G 1D · B 67

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Every value on this page was computed from “121d67” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.