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Recognised as Colour

#192D51

  • #192D51
  • Blue
  • Dark
  • Nearest: Dark slate grey

#192D51 is a blue with RGB values 25, 45, 81 and HSL 219°, 53%, 21%. It is a dark colour, so white text on it reaches 13.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#192D51#192D51
HEX#192D51
RGBrgb(25, 45, 81)
RGB (0–1)0.098, 0.1765, 0.3176
RGB percentages9.8%, 17.6%, 31.8%
HSLhsl(218.6, 52.8%, 20.8%)
HSV / HSBhsv(218.6, 69.1%, 31.8%)
CMYK69.1%, 44.4%, 0%, 68.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,650,001
CSS custom property--colour: #192D51;

Brightness & contrast

Relative luminance0.02678WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.68:1
Contrast with white13.68:1WCAG normal text: AAA
Contrast with black1.54:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#E6D2AE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1D3052no red cones; affects about 1% of men; ΔE 2.1 from the original
Deuteranopia#152B50no green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#00353Bno blue cones; rare, and affects men and women equally; ΔE 24.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.68:1WCAG large text: AAA
Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 29.6Dark slateblue · ΔE 29.8Black · ΔE 31.2Dim grey · ΔE 35.9Steel blue · ΔE 35.9Midnight blue · ΔE 36.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 29.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#513D19
Analogous#194951, #211951
Triadic#51192D, #2D5119
Split complementary#512119, #495119
Tetradic#511949, #513D19, #195121

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#668CD0
Lighter +30%#3F6FC4
Lighter +20%#31589F
Lighter +10%#254378
Darker −10%#0D172A
Darker −20%#010203
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C295E
Less saturated −25%#263144

Channel breakdown

R25
G45
B81
Red25 (9.8%)
Green45 (17.6%)
Blue81 (31.8%)
Hue218.57°
Saturation (HSL)52.83%
Lightness20.78%
Dominant channelBlue
Hex per channelR 19 · G 2D · B 51

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Every value on this page was computed from “192d51” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.