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Colour

#1879A3

  • #1879A3
  • Cyan
  • Dark
  • Nearest: Steel blue

#1879A3 is a cyan with RGB values 24, 121, 163 and HSL 198°, 74%, 37%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1879A3#1879A3
HEX#1879A3
RGBrgb(24, 121, 163)
RGB (0–1)0.0941, 0.4745, 0.6392
RGB percentages9.4%, 47.5%, 63.9%
HSLhsl(198.1, 74.3%, 36.7%)
HSV / HSBhsv(198.1, 85.3%, 63.9%)
CMYK85.3%, 25.8%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,604,003
CSS custom property--colour: #1879A3;

Brightness & contrast

Relative luminance0.16513WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.88:1
Contrast with white4.88:1WCAG normal text: AA
Contrast with black4.3:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#E7865C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6478A5no red cones; affects about 1% of men; ΔE 16.4 from the original
Deuteranopia#526CA2no green cones; the most common form, about 1% of men; ΔE 17.5 from the original
Tritanopia#008487no blue cones; rare, and affects men and women equally; ΔE 26.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.88:1WCAG large text: AAA
Contrast with black, large text4.3:1WCAG large text: AA

Named colours

Steel blue · ΔE 9Slate grey · ΔE 22.1Light slate grey · ΔE 22.5Cadetblue · ΔE 27.6Teal · ΔE 27.7Deep skyblue · ΔE 28.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.02, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A34218
Analogous#18A388, #1833A3
Triadic#A31879, #79A318
Split complementary#A31833, #A38718
Tetradic#8818A3, #A34218, #34A318

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#97D5F0
Lighter +30%#6BC3E9
Lighter +20%#3EB1E3
Lighter +10%#1F9ACF
Darker −10%#115877
Darker −20%#0B374A
Darker −30%#04161E
Darker −40%#000000
More saturated +25%#0182BA
Less saturated −25%#2F708C

Channel breakdown

R24
G121
B163
Red24 (9.4%)
Green121 (47.5%)
Blue163 (63.9%)
Hue198.13°
Saturation (HSL)74.33%
Lightness36.67%
Dominant channelBlue
Hex per channelR 18 · G 79 · B A3

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Every value on this page was computed from “1879a3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.