Colour

#23282B

#23282B
Blue
Dark
Nearest: Black

#23282B is a blue with RGB values 35, 40, 43 and HSL 203°, 10%, 15%. It is a dark colour, so white text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#23282B#23282B

HEX#23282B

RGBrgb(35, 40, 43)

RGB (0–1)0.1373, 0.1569, 0.1686

RGB percentages13.7%, 15.7%, 16.9%

HSLhsl(202.5, 10.3%, 15.3%)

HSV / HSBhsv(202.5, 18.6%, 16.9%)

CMYK18.6%, 7%, 0%, 83.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,304,043

CSS custom property--colour: #23282B;

Brightness & contrast

Relative luminance0.02049WCAG 2.x, 0 is black and 1 is white

Perceived brightness38.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.9:1

Contrast with white14.9:1WCAG normal text: AAA

Contrast with black1.41:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#DCD7D4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#27282Bno red cones; affects about 1% of men; ΔE 1.9 from the original

Deuteranopia#25272Bno green cones; the most common form, about 1% of men; ΔE 1.6 from the original

Tritanopia#212929no blue cones; rare, and affects men and women equally; ΔE 2.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.9:1WCAG large text: AAA

Contrast with black, large text1.41:1WCAG large text: Fail

Named colours

Black · ΔE 16 Dark slate grey · ΔE 18.6 Dim grey · ΔE 28.8 Slate grey · ΔE 37.9 Gray · ΔE 38 Light slate grey · ΔE 41

Nearest named CSS colourBlack (#000000)ΔE 16.04, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2B2623

Analogous#232B2A, #23242B

Triadic#2B2328, #282B23

Split complementary#2B2324, #2B2A23

Tetradic#2A232B, #2B2623, #242B23

Tints, shades & saturation

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

Lighter +40%#819099

Lighter +30%#68767F

Lighter +20%#515C63

Lighter +10%#3A4247

Darker −10%#0C0E0F

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#192A35

Less saturated −25%#272727

Channel breakdown

R35

G40

B43

Red35 (13.7%)

Green40 (15.7%)

Blue43 (16.9%)

Hue202.5°

Saturation (HSL)10.26%

Lightness15.29%

Dominant channelBlue

Hex per channelR 23 · G 28 · B 2B

Keep nerding

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

#23282B

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

Nerdulate something else