Recognised as Colour

#687F8A

#687F8A
Cyan
Dark
Nearest: Slate grey

#687F8A is a cyan with RGB values 104, 127, 138 and HSL 199°, 14%, 47%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#687F8A#687F8A

HEX#687F8A

RGBrgb(104, 127, 138)

RGB (0–1)0.4078, 0.498, 0.5412

RGB percentages40.8%, 49.8%, 54.1%

HSLhsl(199.4, 14%, 47.5%)

HSV / HSBhsv(199.4, 24.6%, 54.1%)

CMYK24.6%, 8%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,848,394

CSS custom property--colour: #687F8A;

Brightness & contrast

Relative luminance0.19957WCAG 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 4.99:1

Contrast with white4.21:1WCAG normal text: Fail

Contrast with black4.99:1WCAG normal text: AA

Greyscale equivalent#7B7B7B

Inverted#978075

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#797E8Bno red cones; affects about 1% of men; ΔE 6.8 from the original

Deuteranopia#747A8Ano green cones; the most common form, about 1% of men; ΔE 7 from the original

Tritanopia#5E8282no blue cones; rare, and affects men and women equally; ΔE 8.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.21:1WCAG large text: AA

Contrast with black, large text4.99:1WCAG large text: AAA

Named colours

Slate grey · ΔE 4.1 Light slate grey · ΔE 5.9 Gray · ΔE 10.5 Dim grey · ΔE 12.7 Cadetblue · ΔE 16.9 Dark grey · ΔE 20.3

Nearest named CSS colourSlate grey (#708090)ΔE 4.13, a close match

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8A7368

Analogous#688A84, #686E8A

Triadic#8A687F, #7F8A68

Split complementary#8A686E, #8A8468

Tetradic#84688A, #8A7368, #6E8A68

Tints, shades & saturation

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

Lighter +40%#DBE1E3

Lighter +30%#BDC8CE

Lighter +20%#A0B0B8

Lighter +10%#8398A2

Darker −10%#52646D

Darker −20%#3C4950

Darker −30%#262F33

Darker −40%#101416

More saturated +25%#4A8AA8

Less saturated −25%#797979

Channel breakdown

R104

G127

B138

Red104 (40.8%)

Green127 (49.8%)

Blue138 (54.1%)

Hue199.41°

Saturation (HSL)14.05%

Lightness47.45%

Dominant channelBlue

Hex per channelR 68 · G 7F · B 8A

Keep nerding

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

#687F8A

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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