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Recognised as Colour

#1921FC

  • #1921FC
  • Blue
  • Dark
  • Nearest: Blue

#1921FC is a blue with RGB values 25, 33, 252 and HSL 238°, 97%, 54%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1921FC#1921FC
HEX#1921FC
RGBrgb(25, 33, 252)
RGB (0–1)0.098, 0.1294, 0.9882
RGB percentages9.8%, 12.9%, 98.8%
HSLhsl(237.9, 97.4%, 54.3%)
HSV / HSBhsv(237.9, 90.1%, 98.8%)
CMYK90.1%, 86.9%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,647,100
CSS custom property--colour: #1921FC;

Brightness & contrast

Relative luminance0.08323WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.88:1
Contrast with white7.88:1WCAG normal text: AAA
Contrast with black2.66:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#E6DE03

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DFFno red cones; affects about 1% of men; ΔE 36.6 from the original
Deuteranopia#0045F9no green cones; the most common form, about 1% of men; ΔE 21.5 from the original
Tritanopia#006E96no blue cones; rare, and affects men and women equally; ΔE 110.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.88:1WCAG large text: AAA
Contrast with black, large text2.66:1WCAG large text: Fail

Named colours

Blue · ΔE 9.8Medium blue · ΔE 15.1Blue violet · ΔE 28.6Dark violet · ΔE 32.6Dark orchid · ΔE 43.5Dark blue · ΔE 44.4
Nearest named CSS colourBlue (#0000FF)ΔE 9.78, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCF419
Analogous#1993FC, #8219FC
Triadic#FC1921, #21FC19
Split complementary#FC8219, #93FC19
Tetradic#FC1993, #FCF419, #19FC82

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E2E3FF
Lighter +30%#B0B3FE
Lighter +20%#7E82FD
Lighter +10%#4B52FD
Darker −10%#030BDF
Darker −20%#0208AD
Darker −30%#02067A
Darker −40%#010348
More saturated +25%#161EFF
Less saturated −25%#363CDF

Channel breakdown

R25
G33
B252
Red25 (9.8%)
Green33 (12.9%)
Blue252 (98.8%)
Hue237.89°
Saturation (HSL)97.42%
Lightness54.31%
Dominant channelBlue
Hex per channelR 19 · G 21 · B FC

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Every value on this page was computed from “1921fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.