Colour

#1F30D7

#1F30D7
Blue
Dark
Nearest: Medium blue

#1F30D7 is a blue with RGB values 31, 48, 215 and HSL 234°, 75%, 48%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1F30D7#1F30D7

HEX#1F30D7

RGBrgb(31, 48, 215)

RGB (0–1)0.1216, 0.1882, 0.8431

RGB percentages12.2%, 18.8%, 84.3%

HSLhsl(234.5, 74.8%, 48.2%)

HSV / HSBhsv(234.5, 85.6%, 84.3%)

CMYK85.6%, 77.7%, 0%, 15.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,044,119

CSS custom property--colour: #1F30D7;

Brightness & contrast

Relative luminance0.07312WCAG 2.x, 0 is black and 1 is white

Perceived brightness83.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.53:1

Contrast with white8.53:1WCAG normal text: AAA

Contrast with black2.46:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#E0CF28

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0056DCno red cones; affects about 1% of men; ΔE 26.2 from the original

Deuteranopia#0043D4no green cones; the most common form, about 1% of men; ΔE 15 from the original

Tritanopia#006483no blue cones; rare, and affects men and women equally; ΔE 90.6 from the original

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

Contrast with white, large text8.53:1WCAG large text: AAA

Contrast with black, large text2.46:1WCAG large text: Fail

Named colours

Medium blue · ΔE 16.4 Blue violet · ΔE 20.9 Dark blue · ΔE 24.2 Dark violet · ΔE 27.3 Navy · ΔE 28.8 Dark orchid · ΔE 29.1

Nearest named CSS colourMedium blue (#0000CD)ΔE 16.41, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#D7C61F

Analogous#1F8CD7, #6A1FD7

Triadic#D71F30, #30D71F

Split complementary#D76A1F, #8CD71F

Tetradic#D71F8C, #D7C61F, #1FD76A

Tints, shades & saturation

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

Lighter +40%#CBCFF7

Lighter +30%#9EA6F1

Lighter +20%#717DEB

Lighter +10%#4554E4

Darker −10%#1926AA

Darker −20%#121C7E

Darker −30%#0C1251

Darker −40%#050825

More saturated +25%#0017F6

Less saturated −25%#3E49B8

Channel breakdown

R31

G48

B215

Red31 (12.2%)

Green48 (18.8%)

Blue215 (84.3%)

Hue234.46°

Saturation (HSL)74.8%

Lightness48.24%

Dominant channelBlue

Hex per channelR 1F · G 30 · B D7

Keep nerding

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

#1F30D7

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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