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Colour

#3C4251

  • #3C4251
  • Blue
  • Dark
  • Nearest: Dark slate grey

#3C4251 is a blue with RGB values 60, 66, 81 and HSL 223°, 15%, 28%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3C4251#3C4251
HEX#3C4251
RGBrgb(60, 66, 81)
RGB (0–1)0.2353, 0.2588, 0.3176
RGB percentages23.5%, 25.9%, 31.8%
HSLhsl(222.9, 14.9%, 27.6%)
HSV / HSBhsv(222.9, 25.9%, 31.8%)
CMYK25.9%, 18.5%, 0%, 68.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,949,137
CSS custom property--colour: #3C4251;

Brightness & contrast

Relative luminance0.05451WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.05:1
Contrast with white10.05:1WCAG normal text: AAA
Contrast with black2.09:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#C3BDAE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D4352no red cones; affects about 1% of men; ΔE 0.4 from the original
Deuteranopia#3C4151no green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#374547no blue cones; rare, and affects men and women equally; ΔE 9.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.05:1WCAG large text: AAA
Contrast with black, large text2.09:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.8Dim grey · ΔE 19.2Slate grey · ΔE 25.1Gray · ΔE 27.5Light slate grey · ΔE 28.2Black · ΔE 29.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.84, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#514B3C
Analogous#3C4C51, #413C51
Triadic#513C42, #42513C
Split complementary#51413C, #4D513C
Tetradic#513C4D, #514B3C, #3C5141

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A0A7B9
Lighter +30%#838CA3
Lighter +20%#67728C
Lighter +10%#525A6E
Darker −10%#262A34
Darker −20%#111216
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2A3A63
Less saturated −25%#474747

Channel breakdown

R60
G66
B81
Red60 (23.5%)
Green66 (25.9%)
Blue81 (31.8%)
Hue222.86°
Saturation (HSL)14.89%
Lightness27.65%
Dominant channelBlue
Hex per channelR 3C · G 42 · B 51

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Every value on this page was computed from “3c4251” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.