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Recognised as Colour

#191C24

  • #191C24
  • Blue
  • Dark
  • Nearest: Black

#191C24 is a blue with RGB values 25, 28, 36 and HSL 224°, 18%, 12%. It is a dark colour, so white text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#191C24#191C24
HEX#191C24
RGBrgb(25, 28, 36)
RGB (0–1)0.098, 0.1098, 0.1412
RGB percentages9.8%, 11%, 14.1%
HSLhsl(223.6, 18%, 12%)
HSV / HSBhsv(223.6, 30.6%, 14.1%)
CMYK30.6%, 22.2%, 0%, 85.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,645,604
CSS custom property--colour: #191C24;

Brightness & contrast

Relative luminance0.01165WCAG 2.x, 0 is black and 1 is white
Perceived brightness28.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.03:1
Contrast with white17.03:1WCAG normal text: AAA
Contrast with black1.23:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#E6E3DB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1A1D24no red cones; affects about 1% of men; ΔE 0.9 from the original
Deuteranopia#191C24no green cones; the most common form, about 1% of men; ΔE 0 from the original
Tritanopia#161E1Fno blue cones; rare, and affects men and women equally; ΔE 5.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.03:1WCAG large text: AAA
Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Black · ΔE 11.9Dark slate grey · ΔE 24.6Dim grey · ΔE 34.6Slate grey · ΔE 42.9Gray · ΔE 43.7Light slate grey · ΔE 46
Nearest named CSS colourBlack (#000000)ΔE 11.92, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#242119
Analogous#192124, #1B1924
Triadic#24191C, #1C2419
Split complementary#241B19, #212419
Tetradic#241921, #242119, #19241B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6E7A9B
Lighter +30%#58627E
Lighter +20%#434B60
Lighter +10%#2E3342
Darker −10%#040506
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#11192C
Less saturated −25%#1E1E1E

Channel breakdown

R25
G28
B36
Red25 (9.8%)
Green28 (11%)
Blue36 (14.1%)
Hue223.64°
Saturation (HSL)18.03%
Lightness11.96%
Dominant channelBlue
Hex per channelR 19 · G 1C · B 24

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Every value on this page was computed from “191c24” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.