Recognised as Colour

#4258CA

#4258CA
Blue
Dark
Nearest: Royal blue

#4258CA is a blue with RGB values 66, 88, 202 and HSL 230°, 56%, 53%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4258CA#4258CA

HEX#4258CA

RGBrgb(66, 88, 202)

RGB (0–1)0.2588, 0.3451, 0.7922

RGB percentages25.9%, 34.5%, 79.2%

HSLhsl(230.3, 56.2%, 52.5%)

HSV / HSBhsv(230.3, 67.3%, 79.2%)

CMYK67.3%, 56.4%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,348,106

CSS custom property--colour: #4258CA;

Brightness & contrast

Relative luminance0.12402WCAG 2.x, 0 is black and 1 is white

Perceived brightness102.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.03:1

Contrast with white6.03:1WCAG normal text: AA

Contrast with black3.48:1WCAG normal text: Fail

Greyscale equivalent#5C5C5C

Inverted#BDA735

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0069CEno red cones; affects about 1% of men; ΔE 15.4 from the original

Deuteranopia#005DC8no green cones; the most common form, about 1% of men; ΔE 9.5 from the original

Tritanopia#007488no blue cones; rare, and affects men and women equally; ΔE 65.2 from the original

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

Contrast with white, large text6.03:1WCAG large text: AAA

Contrast with black, large text3.48:1WCAG large text: AA

Named colours

Royal blue · ΔE 7.4 Slate blue · ΔE 8.9 Medium slateblue · ΔE 16.3 Medium purple · ΔE 19.3 Rebecca purple · ΔE 22.1 Dark slateblue · ΔE 22.8

Nearest named CSS colourRoyal blue (#4169E1)ΔE 7.42, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CAB442

Analogous#429CCA, #7042CA

Triadic#CA4258, #58CA42

Split complementary#CA7042, #9CCA42

Tetradic#CA429C, #CAB442, #42CA70

Tints, shades & saturation

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

Lighter +40%#E1E5F7

Lighter +30%#B9C2EC

Lighter +20%#929EE0

Lighter +10%#6A7BD5

Darker −10%#3043A9

Darker −20%#243382

Darker −30%#19245A

Darker −40%#0E1432

More saturated +25%#2444E8

Less saturated −25%#606CAC

Channel breakdown

R66

G88

B202

Red66 (25.9%)

Green88 (34.5%)

Blue202 (79.2%)

Hue230.29°

Saturation (HSL)56.2%

Lightness52.55%

Dominant channelBlue

Hex per channelR 42 · G 58 · B CA

Keep nerding

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

#4258CA

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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