Colour

#1957FF

#1957FF
Blue
Dark
Nearest: Medium slateblue

#1957FF is a blue with RGB values 25, 87, 255 and HSL 224°, 100%, 55%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#1957FF#1957FF

HEX#1957FF

RGBrgb(25, 87, 255)

RGB (0–1)0.098, 0.3412, 1

RGB percentages9.8%, 34.1%, 100%

HSLhsl(223.8, 100%, 54.9%)

HSV / HSBhsv(223.8, 90.2%, 100%)

CMYK90.2%, 65.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,660,927

CSS custom property--colour: #1957FF;

Brightness & contrast

Relative luminance0.14243WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.46:1

Contrast with white5.46:1WCAG normal text: AA

Contrast with black3.85:1WCAG normal text: Fail

Greyscale equivalent#565656

Inverted#E6A800

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0074FFno red cones; affects about 1% of men; ΔE 23.1 from the original

Deuteranopia#005FFCno green cones; the most common form, about 1% of men; ΔE 7.9 from the original

Tritanopia#0085A4no blue cones; rare, and affects men and women equally; ΔE 89.8 from the original

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

Contrast with white, large text5.46:1WCAG large text: AAA

Contrast with black, large text3.85:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 23.7 Blue violet · ΔE 27.8 Royal blue · ΔE 29.4 Medium blue · ΔE 29.7 Slate blue · ΔE 31.1 Dark orchid · ΔE 33.9

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 23.7, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFC119

Analogous#19CAFF, #4E19FF

Triadic#FF1957, #57FF19

Split complementary#FF4E19, #CAFF19

Tetradic#FF19CA, #FFC119, #19FF4E

Tints, shades & saturation

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

Lighter +40%#E5ECFF

Lighter +30%#B2C7FF

Lighter +20%#7FA2FF

Lighter +10%#4C7CFF

Darker −10%#003EE5

Darker −20%#0030B2

Darker −30%#00227F

Darker −40%#00144C

More saturated +25%#1957FF

Less saturated −25%#3664E2

Channel breakdown

R25

G87

B255

Red25 (9.8%)

Green87 (34.1%)

Blue255 (100%)

Hue223.83°

Saturation (HSL)100%

Lightness54.9%

Dominant channelBlue

Hex per channelR 19 · G 57 · B FF

Keep nerding

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

#1957FF

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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