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Recognised as Colour

#121CFC

  • #121CFC
  • Blue
  • Dark
  • Nearest: Blue

#121CFC is a blue with RGB values 18, 28, 252 and HSL 237°, 98%, 53%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#121CFC#121CFC
HEX#121CFC
RGBrgb(18, 28, 252)
RGB (0–1)0.0706, 0.1098, 0.9882
RGB percentages7.1%, 11%, 98.8%
HSLhsl(237.4, 97.5%, 52.9%)
HSV / HSBhsv(237.4, 92.9%, 98.8%)
CMYK92.9%, 88.9%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,187,068
CSS custom property--colour: #121CFC;

Brightness & contrast

Relative luminance0.07987WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.08:1
Contrast with white8.08:1WCAG normal text: AAA
Contrast with black2.6:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#EDE303

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CFFno red cones; affects about 1% of men; ΔE 37.8 from the original
Deuteranopia#0043F9no green cones; the most common form, about 1% of men; ΔE 22.1 from the original
Tritanopia#006D96no blue cones; rare, and affects men and women equally; ΔE 112 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.08:1WCAG large text: AAA
Contrast with black, large text2.6:1WCAG large text: Fail

Named colours

Blue · ΔE 7.8Medium blue · ΔE 16Blue violet · ΔE 30Dark violet · ΔE 33.7Dark orchid · ΔE 45Dark blue · ΔE 45.7
Nearest named CSS colourBlue (#0000FF)ΔE 7.77, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCF212
Analogous#1291FC, #7D12FC
Triadic#FC121C, #1CFC12
Split complementary#FC7D12, #91FC12
Tetradic#FC1291, #FCF212, #12FC7D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBDDFF
Lighter +30%#A9ADFE
Lighter +20%#777CFD
Lighter +10%#444CFD
Darker −10%#030CD8
Darker −20%#0209A6
Darker −30%#010674
Darker −40%#010441
More saturated +25%#0F19FF
Less saturated −25%#3037DE

Channel breakdown

R18
G28
B252
Red18 (7.1%)
Green28 (11%)
Blue252 (98.8%)
Hue237.44°
Saturation (HSL)97.5%
Lightness52.94%
Dominant channelBlue
Hex per channelR 12 · G 1C · B FC

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