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Recognised as Colour

#25516C

  • #25516C
  • Blue
  • Dark
  • Nearest: Dark slate grey

#25516C is a blue with RGB values 37, 81, 108 and HSL 203°, 49%, 28%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#25516C#25516C
HEX#25516C
RGBrgb(37, 81, 108)
RGB (0–1)0.1451, 0.3176, 0.4235
RGB percentages14.5%, 31.8%, 42.4%
HSLhsl(202.8, 49%, 28.4%)
HSV / HSBhsv(202.8, 65.7%, 42.4%)
CMYK65.7%, 25%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,445,676
CSS custom property--colour: #25516C;

Brightness & contrast

Relative luminance0.07361WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.49:1
Contrast with white8.49:1WCAG normal text: AAA
Contrast with black2.47:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#DAAE93

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#45516Dno red cones; affects about 1% of men; ΔE 9.4 from the original
Deuteranopia#3B4A6Cno green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#00585Ano blue cones; rare, and affects men and women equally; ΔE 19.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.49:1WCAG large text: AAA
Contrast with black, large text2.47:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.4Slate grey · ΔE 22.7Steel blue · ΔE 23.3Dim grey · ΔE 24.1Light slate grey · ΔE 25.3Gray · ΔE 29.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C4025
Analogous#256C64, #252D6C
Triadic#6C2551, #516C25
Split complementary#6C252D, #6C6325
Tetradic#64256C, #6C4025, #2E6C25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#87B8D6
Lighter +30%#61A1C9
Lighter +20%#3F8AB8
Lighter +10%#326D92
Darker −10%#183546
Darker −20%#0B1820
Darker −30%#000000
Darker −40%#000000
More saturated +25%#13557E
Less saturated −25%#374D5A

Channel breakdown

R37
G81
B108
Red37 (14.5%)
Green81 (31.8%)
Blue108 (42.4%)
Hue202.82°
Saturation (HSL)48.97%
Lightness28.43%
Dominant channelBlue
Hex per channelR 25 · G 51 · B 6C

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Every value on this page was computed from “25516c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.