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Recognised as Colour

#19538C

  • #19538C
  • Blue
  • Dark
  • Nearest: Steel blue

#19538C is a blue with RGB values 25, 83, 140 and HSL 210°, 70%, 32%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#19538C#19538C
HEX#19538C
RGBrgb(25, 83, 140)
RGB (0–1)0.098, 0.3255, 0.549
RGB percentages9.8%, 32.5%, 54.9%
HSLhsl(209.7, 69.7%, 32.4%)
HSV / HSBhsv(209.7, 82.1%, 54.9%)
CMYK82.1%, 40.7%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,659,788
CSS custom property--colour: #19538C;

Brightness & contrast

Relative luminance0.08287WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.9:1
Contrast with white7.9:1WCAG normal text: AAA
Contrast with black2.66:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#E6AC73

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#37578Eno red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#254D8Bno green cones; the most common form, about 1% of men; ΔE 5.7 from the original
Tritanopia#006168no blue cones; rare, and affects men and women equally; ΔE 35.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.9:1WCAG large text: AAA
Contrast with black, large text2.66:1WCAG large text: Fail

Named colours

Steel blue · ΔE 19.9Dark slateblue · ΔE 23.8Cornflower blue · ΔE 30.7Slate grey · ΔE 32.4Light slate grey · ΔE 33.9Midnight blue · ΔE 36.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 19.87, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8C5219
Analogous#198C8C, #19198C
Triadic#8C1953, #538C19
Split complementary#8C1919, #8C8C19
Tetradic#8C198C, #8C5219, #198C19

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#87B9EA
Lighter +30%#5CA0E2
Lighter +20%#3186DA
Lighter +10%#216DB7
Darker −10%#113961
Darker −20%#0A2035
Darker −30%#02060A
Darker −40%#000000
More saturated +25%#0453A1
Less saturated −25%#2E5377

Channel breakdown

R25
G83
B140
Red25 (9.8%)
Green83 (32.5%)
Blue140 (54.9%)
Hue209.74°
Saturation (HSL)69.7%
Lightness32.35%
Dominant channelBlue
Hex per channelR 19 · G 53 · B 8C

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Every value on this page was computed from “19538c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.