Recognised as Colour

#307FE4

#307FE4
Blue
Dark
Nearest: Dodgerblue

#307FE4 is a blue with RGB values 48, 127, 228 and HSL 214°, 77%, 54%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#307FE4#307FE4

HEX#307FE4

RGBrgb(48, 127, 228)

RGB (0–1)0.1882, 0.498, 0.8941

RGB percentages18.8%, 49.8%, 89.4%

HSLhsl(213.7, 76.9%, 54.1%)

HSV / HSBhsv(213.7, 78.9%, 89.4%)

CMYK78.9%, 44.3%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,178,468

CSS custom property--colour: #307FE4;

Brightness & contrast

Relative luminance0.21409WCAG 2.x, 0 is black and 1 is white

Perceived brightness126.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.28:1

Contrast with white3.98:1WCAG normal text: Fail

Contrast with black5.28:1WCAG normal text: AA

Greyscale equivalent#757575

Inverted#CF801B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A88E8no red cones; affects about 1% of men; ΔE 5.1 from the original

Deuteranopia#2378E2no green cones; the most common form, about 1% of men; ΔE 4.4 from the original

Tritanopia#0097A6no blue cones; rare, and affects men and women equally; ΔE 56.6 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.98:1WCAG large text: AA

Contrast with black, large text5.28:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 8.2 Cornflower blue · ΔE 12.4 Royal blue · ΔE 17.3 Slate blue · ΔE 25.7 Medium purple · ΔE 26.5 Steel blue · ΔE 30.2

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 8.21, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#E49530

Analogous#30D9E4, #3B30E4

Triadic#E4307F, #7FE430

Split complementary#E43B30, #D9E430

Tetradic#E430D9, #E49530, #30E43B

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#E4EFFC

Lighter +30%#B7D3F6

Lighter +20%#8AB7F0

Lighter +10%#5D9BEA

Darker −10%#1A66C7

Darker −20%#144F9A

Darker −30%#0E386D

Darker −40%#082140

More saturated +25%#157CFF

Less saturated −25%#4D83C7

Channel breakdown

R48

G127

B228

Red48 (18.8%)

Green127 (49.8%)

Blue228 (89.4%)

Hue213.67°

Saturation (HSL)76.92%

Lightness54.12%

Dominant channelBlue

Hex per channelR 30 · G 7F · B E4

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#307FE4

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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