Colour

#1931D4

#1931D4
Blue
Dark
Nearest: Medium blue

#1931D4 is a blue with RGB values 25, 49, 212 and HSL 232°, 79%, 46%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1931D4#1931D4

HEX#1931D4

RGBrgb(25, 49, 212)

RGB (0–1)0.098, 0.1922, 0.8314

RGB percentages9.8%, 19.2%, 83.1%

HSLhsl(232.3, 78.9%, 46.5%)

HSV / HSBhsv(232.3, 88.2%, 83.1%)

CMYK88.2%, 76.9%, 0%, 16.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,651,156

CSS custom property--colour: #1931D4;

Brightness & contrast

Relative luminance0.07157WCAG 2.x, 0 is black and 1 is white

Perceived brightness82 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.64:1

Contrast with white8.64:1WCAG normal text: AAA

Contrast with black2.43:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#E6CE2B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0055D9no red cones; affects about 1% of men; ΔE 25 from the original

Deuteranopia#0042D1no green cones; the most common form, about 1% of men; ΔE 13.7 from the original

Tritanopia#006381no blue cones; rare, and affects men and women equally; ΔE 89.1 from the original

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

Contrast with white, large text8.64:1WCAG large text: AAA

Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Medium blue · ΔE 18.1 Blue violet · ΔE 21.9 Dark blue · ΔE 23 Navy · ΔE 27.4 Dark violet · ΔE 28.2 Dark orchid · ΔE 28.9

Nearest named CSS colourMedium blue (#0000CD)ΔE 18.14, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#D4BC19

Analogous#198FD4, #5E19D4

Triadic#D41931, #31D419

Split complementary#D45E19, #8FD419

Tetradic#D4198F, #D4BC19, #19D45E

Tints, shades & saturation

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

Lighter +40%#C1C8F8

Lighter +30%#94A0F2

Lighter +20%#6677ED

Lighter +10%#384FE8

Darker −10%#1426A6

Darker −20%#0E1C79

Darker −30%#09114B

Darker −40%#03071E

More saturated +25%#001EED

Less saturated −25%#3747B6

Channel breakdown

R25

G49

B212

Red25 (9.8%)

Green49 (19.2%)

Blue212 (83.1%)

Hue232.3°

Saturation (HSL)78.9%

Lightness46.47%

Dominant channelBlue

Hex per channelR 19 · G 31 · B D4

Keep nerding

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

#1931D4

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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