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Recognised as Colour

#30486B

  • #30486B
  • Blue
  • Dark
  • Nearest: Dark slate grey

#30486B is a blue with RGB values 48, 72, 107 and HSL 216°, 38%, 30%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#30486B#30486B
HEX#30486B
RGBrgb(48, 72, 107)
RGB (0–1)0.1882, 0.2824, 0.4196
RGB percentages18.8%, 28.2%, 42%
HSLhsl(215.6, 38.1%, 30.4%)
HSV / HSBhsv(215.6, 55.1%, 42%)
CMYK55.1%, 32.7%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,164,267
CSS custom property--colour: #30486B;

Brightness & contrast

Relative luminance0.06325WCAG 2.x, 0 is black and 1 is white
Perceived brightness71 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.27:1
Contrast with white9.27:1WCAG normal text: AAA
Contrast with black2.26:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#CFB794

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A4A6Dno red cones; affects about 1% of men; ΔE 2.6 from the original
Deuteranopia#33456Ano green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#125054no blue cones; rare, and affects men and women equally; ΔE 24.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.27:1WCAG large text: AAA
Contrast with black, large text2.26:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.8Steel blue · ΔE 24.8Slate grey · ΔE 26.2Dim grey · ΔE 27.2Light slate grey · ΔE 28.7Dark slateblue · ΔE 30.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6B5330
Analogous#30656B, #36306B
Triadic#6B3048, #486B30
Split complementary#6B3630, #656B30
Tetradic#6B3066, #6B5330, #306B36

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#97AED0
Lighter +30%#7493C0
Lighter +20%#5078B1
Lighter +10%#40608E
Darker −10%#203048
Darker −20%#101925
Darker −30%#010101
Darker −40%#000000
More saturated +25%#1D447E
Less saturated −25%#434C58

Channel breakdown

R48
G72
B107
Red48 (18.8%)
Green72 (28.2%)
Blue107 (42%)
Hue215.59°
Saturation (HSL)38.06%
Lightness30.39%
Dominant channelBlue
Hex per channelR 30 · G 48 · B 6B

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Every value on this page was computed from “30486b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.