Recognised as Colour

#636F7C

#636F7C
Blue
Dark
Nearest: Slate grey

#636F7C is a blue with RGB values 99, 111, 124 and HSL 211°, 11%, 44%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#636F7C#636F7C

HEX#636F7C

RGBrgb(99, 111, 124)

RGB (0–1)0.3882, 0.4353, 0.4863

RGB percentages38.8%, 43.5%, 48.6%

HSLhsl(211.2, 11.2%, 43.7%)

HSV / HSBhsv(211.2, 20.2%, 48.6%)

CMYK20.2%, 10.5%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,516,604

CSS custom property--colour: #636F7C;

Brightness & contrast

Relative luminance0.15477WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.13:1

Contrast with white5.13:1WCAG normal text: AA

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

Greyscale equivalent#6D6D6D

Inverted#9C9083

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6A6F7Dno red cones; affects about 1% of men; ΔE 2.8 from the original

Deuteranopia#676C7Cno green cones; the most common form, about 1% of men; ΔE 3.3 from the original

Tritanopia#5D7273no blue cones; rare, and affects men and women equally; ΔE 8.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.13:1WCAG large text: AAA

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

Named colours

Slate grey · ΔE 6.8 Dim grey · ΔE 9 Light slate grey · ΔE 10 Gray · ΔE 11.5 Dark slate grey · ΔE 18.8 Cadetblue · ΔE 23.5

Nearest named CSS colourSlate grey (#708090)ΔE 6.85, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7C7063

Analogous#637B7C, #64637C

Triadic#7C636F, #6F7C63

Split complementary#7C6463, #7C7C63

Tetradic#7C637B, #7C7063, #637C64

Tints, shades & saturation

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

Lighter +40%#D1D5DA

Lighter +30%#B4BCC4

Lighter +20%#98A2AD

Lighter +10%#7C8896

Darker −10%#4C5660

Darker −20%#363C43

Darker −30%#1F2327

Darker −40%#08090B

More saturated +25%#476E98

Less saturated −25%#707070

Channel breakdown

R99

G111

B124

Red99 (38.8%)

Green111 (43.5%)

Blue124 (48.6%)

Hue211.2°

Saturation (HSL)11.21%

Lightness43.73%

Dominant channelBlue

Hex per channelR 63 · G 6F · B 7C

Keep nerding

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

#636F7C

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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