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Recognised as Colour

#19253F

  • #19253F
  • Blue
  • Dark
  • Nearest: Black

#19253F is a blue with RGB values 25, 37, 63 and HSL 221°, 43%, 17%. It is a dark colour, so white text on it reaches 15.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#19253F#19253F
HEX#19253F
RGBrgb(25, 37, 63)
RGB (0–1)0.098, 0.1451, 0.2471
RGB percentages9.8%, 14.5%, 24.7%
HSLhsl(221.1, 43.2%, 17.3%)
HSV / HSBhsv(221.1, 60.3%, 24.7%)
CMYK60.3%, 41.3%, 0%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,647,935
CSS custom property--colour: #19253F;

Brightness & contrast

Relative luminance0.01889WCAG 2.x, 0 is black and 1 is white
Perceived brightness38 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.24:1
Contrast with white15.24:1WCAG normal text: AAA
Contrast with black1.38:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#E6DAC0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1B2740no red cones; affects about 1% of men; ΔE 1.2 from the original
Deuteranopia#16243Eno green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#062B2Fno blue cones; rare, and affects men and women equally; ΔE 19.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.24:1WCAG large text: AAA
Contrast with black, large text1.38:1WCAG large text: Fail

Named colours

Black · ΔE 23.8Dark slate grey · ΔE 26.9Dim grey · ΔE 34.9Dark slateblue · ΔE 36.2Slate grey · ΔE 39.2Steel blue · ΔE 40.9
Nearest named CSS colourBlack (#000000)ΔE 23.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3F3319
Analogous#19383F, #20193F
Triadic#3F1925, #253F19
Split complementary#3F2019, #383F19
Tetradic#3F1938, #3F3319, #193F20

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6381C1
Lighter +30%#4465AD
Lighter +20%#365088
Lighter +10%#273A64
Darker −10%#0B101A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0E214A
Less saturated −25%#242934

Channel breakdown

R25
G37
B63
Red25 (9.8%)
Green37 (14.5%)
Blue63 (24.7%)
Hue221.05°
Saturation (HSL)43.18%
Lightness17.25%
Dominant channelBlue
Hex per channelR 19 · G 25 · B 3F

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Every value on this page was computed from “19253f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.