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Recognised as Colour

#306EAF

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

#306EAF is a blue with RGB values 48, 110, 175 and HSL 211°, 57%, 44%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#306EAF#306EAF
HEX#306EAF
RGBrgb(48, 110, 175)
RGB (0–1)0.1882, 0.4314, 0.6863
RGB percentages18.8%, 43.1%, 68.6%
HSLhsl(210.7, 57%, 43.7%)
HSV / HSBhsv(210.7, 72.6%, 68.6%)
CMYK72.6%, 37.1%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,174,063
CSS custom property--colour: #306EAF;

Brightness & contrast

Relative luminance0.14875WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.28:1
Contrast with white5.28:1WCAG normal text: AA
Contrast with black3.98:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#CF9150

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5072B2no red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#3D66AEno green cones; the most common form, about 1% of men; ΔE 7.4 from the original
Tritanopia#007D86no blue cones; rare, and affects men and women equally; ΔE 38.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.28:1WCAG large text: AAA
Contrast with black, large text3.98:1WCAG large text: AA

Named colours

Steel blue · ΔE 12.6Cornflower blue · ΔE 20Dark slateblue · ΔE 27.8Dodgerblue · ΔE 27.9Slate grey · ΔE 31Light slate grey · ΔE 31.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.58, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF7130
Analogous#30ADAF, #3230AF
Triadic#AF306E, #6EAF30
Split complementary#AF3230, #ADAF30
Tetradic#AF30AD, #AF7130, #30AF31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BED5ED
Lighter +30%#96BBE2
Lighter +20%#6EA1D7
Lighter +10%#4687CC
Darker −10%#255587
Darker −20%#1A3C5F
Darker −30%#0F2337
Darker −40%#04090F
More saturated +25%#146DCB
Less saturated −25%#4C6F93

Channel breakdown

R48
G110
B175
Red48 (18.8%)
Green110 (43.1%)
Blue175 (68.6%)
Hue210.71°
Saturation (HSL)56.95%
Lightness43.73%
Dominant channelBlue
Hex per channelR 30 · G 6E · B AF

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