Colour

#28323D

#28323D
Blue
Dark
Nearest: Dark slate grey

#28323D is a blue with RGB values 40, 50, 61 and HSL 211°, 21%, 20%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#28323D#28323D

HEX#28323D

RGBrgb(40, 50, 61)

RGB (0–1)0.1569, 0.1961, 0.2392

RGB percentages15.7%, 19.6%, 23.9%

HSLhsl(211.4, 20.8%, 19.8%)

HSV / HSBhsv(211.4, 34.4%, 23.9%)

CMYK34.4%, 18%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,634,301

CSS custom property--colour: #28323D;

Brightness & contrast

Relative luminance0.03069WCAG 2.x, 0 is black and 1 is white

Perceived brightness48.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.01:1

Contrast with white13.01:1WCAG normal text: AAA

Contrast with black1.61:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#D7CDC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2E323Eno red cones; affects about 1% of men; ΔE 2.6 from the original

Deuteranopia#2B303Dno green cones; the most common form, about 1% of men; ΔE 2.6 from the original

Tritanopia#223436no blue cones; rare, and affects men and women equally; ΔE 7.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.01:1WCAG large text: AAA

Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.9 Black · ΔE 22 Dim grey · ΔE 25.5 Slate grey · ΔE 32.6 Gray · ΔE 34.3 Light slate grey · ΔE 35.7

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.94, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3D3328

Analogous#283D3D, #29283D

Triadic#3D2832, #323D28

Split complementary#3D2928, #3D3D28

Tetradic#3D283D, #3D3328, #283D29

Tints, shades & saturation

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

Lighter +40%#8397AE

Lighter +30%#657E99

Lighter +20%#50647B

Lighter +10%#3C4B5C

Darker −10%#14191E

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1B314A

Less saturated −25%#333333

Channel breakdown

R40

G50

B61

Red40 (15.7%)

Green50 (19.6%)

Blue61 (23.9%)

Hue211.43°

Saturation (HSL)20.79%

Lightness19.8%

Dominant channelBlue

Hex per channelR 28 · G 32 · B 3D

Keep nerding

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

#28323D

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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