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Colour

#3161A8

  • #3161A8
  • Blue
  • Dark
  • Nearest: Steel blue

#3161A8 is a blue with RGB values 49, 97, 168 and HSL 216°, 55%, 43%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3161A8#3161A8
HEX#3161A8
RGBrgb(49, 97, 168)
RGB (0–1)0.1922, 0.3804, 0.6588
RGB percentages19.2%, 38%, 65.9%
HSLhsl(215.8, 54.8%, 42.5%)
HSV / HSBhsv(215.8, 70.8%, 65.9%)
CMYK70.8%, 42.3%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,236,264
CSS custom property--colour: #3161A8;

Brightness & contrast

Relative luminance0.1203WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.17:1
Contrast with white6.17:1WCAG normal text: AA
Contrast with black3.41:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#CE9E57

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F67ABno red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#2C5CA7no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#00717Cno blue cones; rare, and affects men and women equally; ΔE 42.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.17:1WCAG large text: AAA
Contrast with black, large text3.41:1WCAG large text: AA

Named colours

Steel blue · ΔE 19.8Dark slateblue · ΔE 20.7Cornflower blue · ΔE 21.7Dodgerblue · ΔE 27.4Royal blue · ΔE 29.5Slate blue · ΔE 31.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 19.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A87831
Analogous#319DA8, #3C31A8
Triadic#A83161, #61A831
Split complementary#A83C31, #9DA831
Tetradic#A8319D, #A87831, #31A83C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BACEEB
Lighter +30%#93B2DF
Lighter +20%#6B95D4
Lighter +10%#4479C8
Darker −10%#254A81
Darker −20%#1A3359
Darker −30%#0E1D32
Darker −40%#03060A
More saturated +25%#165CC3
Less saturated −25%#4C668D

Channel breakdown

R49
G97
B168
Red49 (19.2%)
Green97 (38%)
Blue168 (65.9%)
Hue215.8°
Saturation (HSL)54.84%
Lightness42.55%
Dominant channelBlue
Hex per channelR 31 · G 61 · B A8

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Every value on this page was computed from “3161a8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.