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Recognised as Colour

#306F98

  • #306F98
  • Blue
  • Dark
  • Nearest: Steel blue

#306F98 is a blue with RGB values 48, 111, 152 and HSL 204°, 52%, 39%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#306F98#306F98
HEX#306F98
RGBrgb(48, 111, 152)
RGB (0–1)0.1882, 0.4353, 0.5961
RGB percentages18.8%, 43.5%, 59.6%
HSLhsl(203.7, 52%, 39.2%)
HSV / HSBhsv(203.7, 68.4%, 59.6%)
CMYK68.4%, 27%, 0%, 40.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,174,296
CSS custom property--colour: #306F98;

Brightness & contrast

Relative luminance0.14264WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.45:1
Contrast with white5.45:1WCAG normal text: AA
Contrast with black3.85:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#CF9067

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C6F9Ano red cones; affects about 1% of men; ΔE 11.4 from the original
Deuteranopia#4E6597no green cones; the most common form, about 1% of men; ΔE 12.5 from the original
Tritanopia#00797Dno blue cones; rare, and affects men and women equally; ΔE 26.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.45:1WCAG large text: AAA
Contrast with black, large text3.85:1WCAG large text: AA

Named colours

Steel blue · ΔE 9.1Slate grey · ΔE 19.9Light slate grey · ΔE 20.9Dark slate grey · ΔE 28.4Dim grey · ΔE 28.9Cadetblue · ΔE 29.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.15, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#985930
Analogous#30988D, #303B98
Triadic#98306F, #6F9830
Split complementary#98303B, #988D30
Tetradic#8D3098, #985930, #3B9830

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AED0E6
Lighter +30%#88B9D9
Lighter +20%#61A2CD
Lighter +10%#3C8BBF
Darker −10%#245371
Darker −20%#18364A
Darker −30%#0B1A24
Darker −40%#000000
More saturated +25%#1774B1
Less saturated −25%#496A7F

Channel breakdown

R48
G111
B152
Red48 (18.8%)
Green111 (43.5%)
Blue152 (59.6%)
Hue203.65°
Saturation (HSL)52%
Lightness39.22%
Dominant channelBlue
Hex per channelR 30 · G 6F · B 98

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Every value on this page was computed from “306f98” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.