Colour

#1931CA

#1931CA
Blue
Dark
Nearest: Dark blue

#1931CA is a blue with RGB values 25, 49, 202 and HSL 232°, 78%, 45%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1931CA#1931CA

HEX#1931CA

RGBrgb(25, 49, 202)

RGB (0–1)0.098, 0.1922, 0.7922

RGB percentages9.8%, 19.2%, 79.2%

HSLhsl(231.9, 78%, 44.5%)

HSV / HSBhsv(231.9, 87.6%, 79.2%)

CMYK87.6%, 75.7%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,651,146

CSS custom property--colour: #1931CA;

Brightness & contrast

Relative luminance0.06668WCAG 2.x, 0 is black and 1 is white

Perceived brightness79 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9:1

Contrast with white9:1WCAG normal text: AAA

Contrast with black2.33:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#E6CE35

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0052CEno red cones; affects about 1% of men; ΔE 23.7 from the original

Deuteranopia#0040C7no green cones; the most common form, about 1% of men; ΔE 12.6 from the original

Tritanopia#005F7Cno 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 text9:1WCAG large text: AAA

Contrast with black, large text2.33:1WCAG large text: Fail

Named colours

Dark blue · ΔE 19.7 Medium blue · ΔE 22.4 Navy · ΔE 23.5 Blue violet · ΔE 24 Medium slateblue · ΔE 26.7 Dark orchid · ΔE 28.1

Nearest named CSS colourDark blue (#00008B)ΔE 19.66, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CAB219

Analogous#1989CA, #5A19CA

Triadic#CA1931, #31CA19

Split complementary#CA5919, #8ACA19

Tetradic#CA1989, #CAB219, #19CA59

Tints, shades & saturation

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

Lighter +40%#B9C1F6

Lighter +30%#8B99F1

Lighter +20%#5E71EB

Lighter +10%#3149E5

Darker −10%#13269D

Darker −20%#0E1B6F

Darker −30%#081042

Darker −40%#030514

More saturated +25%#001FE3

Less saturated −25%#3546AE

Channel breakdown

R25

G49

B202

Red25 (9.8%)

Green49 (19.2%)

Blue202 (79.2%)

Hue231.86°

Saturation (HSL)77.97%

Lightness44.51%

Dominant channelBlue

Hex per channelR 19 · G 31 · B CA

Keep nerding

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#1931CA

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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