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Recognised as Colour

#304FEA

  • #304FEA
  • Blue
  • Dark
  • Nearest: Medium slateblue

#304FEA is a blue with RGB values 48, 79, 234 and HSL 230°, 82%, 55%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#304FEA#304FEA
HEX#304FEA
RGBrgb(48, 79, 234)
RGB (0–1)0.1882, 0.3098, 0.9176
RGB percentages18.8%, 31%, 91.8%
HSLhsl(230, 81.6%, 55.3%)
HSV / HSBhsv(230, 79.5%, 91.8%)
CMYK79.5%, 66.2%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,166,186
CSS custom property--colour: #304FEA;

Brightness & contrast

Relative luminance0.12161WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.12:1
Contrast with white6.12:1WCAG normal text: AA
Contrast with black3.43:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#CFB015

Colour vision & accessibility

Protanopia#006BEFno red cones; affects about 1% of men; ΔE 20.7 from the original
Deuteranopia#0059E7no green cones; the most common form, about 1% of men; ΔE 10.3 from the original
Tritanopia#007996no blue cones; rare, and affects men and women equally; ΔE 84.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.12:1WCAG large text: AAA
Contrast with black, large text3.43:1WCAG large text: AA

Named colours

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 18.94, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#EACB30
Analogous#30ACEA, #6E30EA
Triadic#EA304F, #4FEA30
Split complementary#EA6E30, #ACEA30
Tetradic#EA30AC, #EACB30, #30EA6E

Tints, shades & saturation

Lighter +40%#E9ECFD
Lighter +30%#BBC5F8
Lighter +20%#8D9EF3
Lighter +10%#5E76EF
Darker −10%#1535D2
Darker −20%#1129A3
Darker −30%#0C1D75
Darker −40%#071247
More saturated +25%#1B41FF
Less saturated −25%#4D62CE

Channel breakdown

R48
G79
B234
Red48 (18.8%)
Green79 (31%)
Blue234 (91.8%)
Hue230°
Saturation (HSL)81.58%
Lightness55.29%
Dominant channelBlue
Hex per channelR 30 · G 4F · B EA

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Every value on this page was computed from “304fea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.