Colour

#6578AC

#6578AC
Blue
Dark
Nearest: Steel blue

#6578AC is a blue with RGB values 101, 120, 172 and HSL 224°, 30%, 54%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#6578AC#6578AC

HEX#6578AC

RGBrgb(101, 120, 172)

RGB (0–1)0.3961, 0.4706, 0.6745

RGB percentages39.6%, 47.1%, 67.5%

HSLhsl(223.9, 30%, 53.5%)

HSV / HSBhsv(223.9, 41.3%, 67.5%)

CMYK41.3%, 30.2%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,650,028

CSS custom property--colour: #6578AC;

Brightness & contrast

Relative luminance0.19178WCAG 2.x, 0 is black and 1 is white

Perceived brightness122 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.84:1

Contrast with white4.34:1WCAG normal text: Fail

Contrast with black4.84:1WCAG normal text: AA

Greyscale equivalent#787878

Inverted#9A8753

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#667DAEno red cones; affects about 1% of men; ΔE 2.9 from the original

Deuteranopia#5F76ABno green cones; the most common form, about 1% of men; ΔE 1.6 from the original

Tritanopia#4E838Ano blue cones; rare, and affects men and women equally; ΔE 30.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

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

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

Named colours

Steel blue · ΔE 11.1 Slate grey · ΔE 21.3 Light slate grey · ΔE 21.4 Cornflower blue · ΔE 22.5 Dark slateblue · ΔE 30.4 Gray · ΔE 30.8

Nearest named CSS colourSteel blue (#4682B4)ΔE 11.13, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AC9965

Analogous#659BAC, #7665AC

Triadic#AC6578, #78AC65

Split complementary#AC7565, #9CAC65

Tetradic#AC659B, #AC9965, #65AC75

Tints, shades & saturation

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

Lighter +40%#EAECF3

Lighter +30%#C8CFE2

Lighter +20%#A7B2D0

Lighter +10%#8695BE

Darker −10%#4E6090

Darker −20%#3C4A6F

Darker −30%#2A344E

Darker −40%#181E2D

More saturated +25%#476ACA

Less saturated −25%#83868E

Channel breakdown

R101

G120

B172

Red101 (39.6%)

Green120 (47.1%)

Blue172 (67.5%)

Hue223.94°

Saturation (HSL)29.96%

Lightness53.53%

Dominant channelBlue

Hex per channelR 65 · G 78 · B AC

Keep nerding

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

#6578AC

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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