Recognised as Colour

#4189AC

#4189AC
Cyan
Dark
Nearest: Steel blue

#4189AC is a cyan with RGB values 65, 137, 172 and HSL 200°, 45%, 46%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4189AC#4189AC

HEX#4189AC

RGBrgb(65, 137, 172)

RGB (0–1)0.2549, 0.5373, 0.6745

RGB percentages25.5%, 53.7%, 67.5%

HSLhsl(199.6, 45.1%, 46.5%)

HSV / HSBhsv(199.6, 62.2%, 67.5%)

CMYK62.2%, 20.3%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,295,084

CSS custom property--colour: #4189AC;

Brightness & contrast

Relative luminance0.21994WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.4:1

Contrast with white3.89:1WCAG normal text: Fail

Contrast with black5.4:1WCAG normal text: AA

Greyscale equivalent#7C7C7C

Inverted#BE7653

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7887AEno red cones; affects about 1% of men; ΔE 16 from the original

Deuteranopia#697CABno green cones; the most common form, about 1% of men; ΔE 17 from the original

Tritanopia#009295no blue cones; rare, and affects men and women equally; ΔE 23.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.89:1WCAG large text: AA

Contrast with black, large text5.4:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.4 Light slate grey · ΔE 17.1 Slate grey · ΔE 17.5 Cadetblue · ΔE 20.8 Teal · ΔE 24.7 Dark cyan · ΔE 25

Nearest named CSS colourSteel blue (#4682B4)ΔE 10.44, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AC6441

Analogous#41AC99, #4154AC

Triadic#AC4189, #89AC41

Split complementary#AC4154, #AC9941

Tetradic#9941AC, #AC6441, #54AC41

Tints, shades & saturation

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

Lighter +40%#CDE2EC

Lighter +30%#A8CCDE

Lighter +20%#83B7D0

Lighter +10%#5EA1C2

Darker −10%#336C87

Darker −20%#254E62

Darker −30%#17313D

Darker −40%#091318

More saturated +25%#2393CA

Less saturated −25%#5F7F8E

Channel breakdown

R65

G137

B172

Red65 (25.5%)

Green137 (53.7%)

Blue172 (67.5%)

Hue199.63°

Saturation (HSL)45.15%

Lightness46.47%

Dominant channelBlue

Hex per channelR 41 · G 89 · B AC

Keep nerding

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

#4189AC

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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