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Recognised as Colour

#306A8D

  • #306A8D
  • Blue
  • Dark
  • Nearest: Steel blue

#306A8D is a blue with RGB values 48, 106, 141 and HSL 203°, 49%, 37%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#306A8D#306A8D
HEX#306A8D
RGBrgb(48, 106, 141)
RGB (0–1)0.1882, 0.4157, 0.5529
RGB percentages18.8%, 41.6%, 55.3%
HSLhsl(202.6, 49.2%, 37.1%)
HSV / HSBhsv(202.6, 66%, 55.3%)
CMYK66%, 24.8%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,173,005
CSS custom property--colour: #306A8D;

Brightness & contrast

Relative luminance0.1286WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.88:1
Contrast with white5.88:1WCAG normal text: AA
Contrast with black3.57:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#CF9572

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5A6A8Fno red cones; affects about 1% of men; ΔE 11.6 from the original
Deuteranopia#4D608Cno green cones; the most common form, about 1% of men; ΔE 12.8 from the original
Tritanopia#007376no blue cones; rare, and affects men and women equally; ΔE 23.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.88:1WCAG large text: AAA
Contrast with black, large text3.57:1WCAG large text: AA

Named colours

Steel blue · ΔE 12.8Slate grey · ΔE 18.4Light slate grey · ΔE 19.8Dark slate grey · ΔE 24.3Dim grey · ΔE 26Teal · ΔE 27.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D5330
Analogous#308D82, #303B8D
Triadic#8D306A, #6A8D30
Split complementary#8D303B, #8D8230
Tetradic#82308D, #8D5330, #3B8D30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8CCE1
Lighter +30%#82B5D4
Lighter +20%#5C9FC7
Lighter +10%#3D87B3
Darker −10%#234D67
Darker −20%#163141
Darker −30%#09141B
Darker −40%#000000
More saturated +25%#1870A5
Less saturated −25%#486475

Channel breakdown

R48
G106
B141
Red48 (18.8%)
Green106 (41.6%)
Blue141 (55.3%)
Hue202.58°
Saturation (HSL)49.21%
Lightness37.06%
Dominant channelBlue
Hex per channelR 30 · G 6A · B 8D

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Every value on this page was computed from “306a8d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.