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Recognised as Colour

#3151C0

  • #3151C0
  • Blue
  • Dark
  • Nearest: Royal blue

#3151C0 is a blue with RGB values 49, 81, 192 and HSL 227°, 59%, 47%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3151C0#3151C0
HEX#3151C0
RGBrgb(49, 81, 192)
RGB (0–1)0.1922, 0.3176, 0.7529
RGB percentages19.2%, 31.8%, 75.3%
HSLhsl(226.6, 59.3%, 47.3%)
HSV / HSBhsv(226.6, 74.5%, 75.3%)
CMYK74.5%, 57.8%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,232,192
CSS custom property--colour: #3151C0;

Brightness & contrast

Relative luminance0.10344WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.84:1
Contrast with white6.84:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#CEAE3F

Colour vision & accessibility

Protanopia#0061C4no red cones; affects about 1% of men; ΔE 13.3 from the original
Deuteranopia#0054BEno green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#006D80no blue cones; rare, and affects men and women equally; ΔE 63.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.84:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.17, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#C0A031
Analogous#3199C0, #5831C0
Triadic#C03151, #51C031
Split complementary#C05831, #99C031
Tetradic#C03199, #C0A031, #31C058

Tints, shades & saturation

Lighter +40%#CBD4F2
Lighter +30%#A3B2E7
Lighter +20%#7A90DD
Lighter +10%#516ED3
Darker −10%#274097
Darker −20%#1C2F6F
Darker −30%#121E46
Darker −40%#080C1D
More saturated +25%#1340DE
Less saturated −25%#4F62A2

Channel breakdown

R49
G81
B192
Red49 (19.2%)
Green81 (31.8%)
Blue192 (75.3%)
Hue226.57°
Saturation (HSL)59.34%
Lightness47.25%
Dominant channelBlue
Hex per channelR 31 · G 51 · B C0

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Every value on this page was computed from “3151c0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.