Colour

#3A6CDA

#3A6CDA
Blue
Dark
Nearest: Royal blue

#3A6CDA is a blue with RGB values 58, 108, 218 and HSL 221°, 68%, 54%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3A6CDA#3A6CDA

HEX#3A6CDA

RGBrgb(58, 108, 218)

RGB (0–1)0.2275, 0.4235, 0.8549

RGB percentages22.7%, 42.4%, 85.5%

HSLhsl(221.3, 68.4%, 54.1%)

HSV / HSBhsv(221.3, 73.4%, 85.5%)

CMYK73.4%, 50.5%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,828,954

CSS custom property--colour: #3A6CDA;

Brightness & contrast

Relative luminance0.16687WCAG 2.x, 0 is black and 1 is white

Perceived brightness115.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.84:1

Contrast with white4.84:1WCAG normal text: AA

Contrast with black4.34:1WCAG normal text: Fail

Greyscale equivalent#696969

Inverted#C59325

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2779DEno red cones; affects about 1% of men; ΔE 9.8 from the original

Deuteranopia#006BD8no green cones; the most common form, about 1% of men; ΔE 4.6 from the original

Tritanopia#008699no blue cones; rare, and affects men and women equally; ΔE 61.5 from the original

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

Contrast with white, large text4.84:1WCAG large text: AAA

Contrast with black, large text4.34:1WCAG large text: AA

Named colours

Royal blue · ΔE 6.7 Slate blue · ΔE 15.7 Dodgerblue · ΔE 16.1 Medium purple · ΔE 20.7 Medium slateblue · ΔE 21 Cornflower blue · ΔE 21.8

Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.66, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DAA83A

Analogous#3ABCDA, #583ADA

Triadic#DA3A6C, #6CDA3A

Split complementary#DA583A, #BCDA3A

Tetradic#DA3ABC, #DAA83A, #3ADA58

Tints, shades & saturation

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

Lighter +40%#E6ECFA

Lighter +30%#BBCCF2

Lighter +20%#90ACEA

Lighter +10%#658CE2

Darker −10%#2454BD

Darker −20%#1C4192

Darker −30%#132E68

Darker −40%#0B1B3D

More saturated +25%#1D61F7

Less saturated −25%#5777BD

Channel breakdown

R58

G108

B218

Red58 (22.7%)

Green108 (42.4%)

Blue218 (85.5%)

Hue221.25°

Saturation (HSL)68.38%

Lightness54.12%

Dominant channelBlue

Hex per channelR 3A · G 6C · B DA

Keep nerding

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

#3A6CDA

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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