Colour

#4688A4

#4688A4
Cyan
Dark
Nearest: Steel blue

#4688A4 is a cyan with RGB values 70, 136, 164 and HSL 198°, 40%, 46%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4688A4#4688A4

HEX#4688A4

RGBrgb(70, 136, 164)

RGB (0–1)0.2745, 0.5333, 0.6431

RGB percentages27.5%, 53.3%, 64.3%

HSLhsl(197.9, 40.2%, 45.9%)

HSV / HSBhsv(197.9, 57.3%, 64.3%)

CMYK57.3%, 17.1%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,622,500

CSS custom property--colour: #4688A4;

Brightness & contrast

Relative luminance0.21591WCAG 2.x, 0 is black and 1 is white

Perceived brightness124 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.32:1

Contrast with white3.95:1WCAG normal text: Fail

Contrast with black5.32:1WCAG normal text: AA

Greyscale equivalent#7C7C7C

Inverted#B9775B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7986A5no red cones; affects about 1% of men; ΔE 15.7 from the original

Deuteranopia#6C7CA4no green cones; the most common form, about 1% of men; ΔE 16.9 from the original

Tritanopia#009091no blue cones; rare, and affects men and women equally; ΔE 21.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.95:1WCAG large text: AA

Contrast with black, large text5.32:1WCAG large text: AAA

Named colours

Steel blue · ΔE 14 Light slate grey · ΔE 14.7 Slate grey · ΔE 15 Cadetblue · ΔE 17.2 Teal · ΔE 21.3 Dark cyan · ΔE 21.8

Nearest named CSS colourSteel blue (#4682B4)ΔE 13.96, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A46246

Analogous#46A491, #4659A4

Triadic#A44688, #88A446

Split complementary#A44659, #A49146

Tetradic#9146A4, #A46246, #59A446

Tints, shades & saturation

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

Lighter +40%#CDE1E9

Lighter +30%#A9CBDA

Lighter +20%#85B6CB

Lighter +10%#61A1BC

Darker −10%#376A80

Darker −20%#274D5D

Darker −30%#182F39

Darker −40%#091115

More saturated +25%#2994C1

Less saturated −25%#637C87

Channel breakdown

R70

G136

B164

Red70 (27.5%)

Green136 (53.3%)

Blue164 (64.3%)

Hue197.87°

Saturation (HSL)40.17%

Lightness45.88%

Dominant channelBlue

Hex per channelR 46 · G 88 · B A4

Keep nerding

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#4688A4

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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