Colour

#283D46

#283D46
Cyan
Dark
Nearest: Dark slate grey

#283D46 is a cyan with RGB values 40, 61, 70 and HSL 198°, 27%, 22%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#283D46#283D46

HEX#283D46

RGBrgb(40, 61, 70)

RGB (0–1)0.1569, 0.2392, 0.2745

RGB percentages15.7%, 23.9%, 27.5%

HSLhsl(198, 27.3%, 21.6%)

HSV / HSBhsv(198, 42.9%, 27.5%)

CMYK42.9%, 12.9%, 0%, 72.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,637,126

CSS custom property--colour: #283D46;

Brightness & contrast

Relative luminance0.04231WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.37:1

Contrast with white11.37:1WCAG normal text: AAA

Contrast with black1.85:1WCAG normal text: Fail

Greyscale equivalent#393939

Inverted#D7C2B9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#383C46no red cones; affects about 1% of men; ΔE 6.6 from the original

Deuteranopia#343946no green cones; the most common form, about 1% of men; ΔE 6.9 from the original

Tritanopia#1D4040no 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 text11.37:1WCAG large text: AAA

Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.2 Dim grey · ΔE 22.3 Black · ΔE 26.3 Slate grey · ΔE 28.7 Gray · ΔE 30.8 Light slate grey · ΔE 31.8

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.22, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#463128

Analogous#284640, #282E46

Triadic#46283D, #3D4628

Split complementary#46282E, #464028

Tetradic#402846, #463128, #2E4628

Tints, shades & saturation

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

Lighter +40%#82A8B8

Lighter +30%#6291A5

Lighter +20%#4D7687

Lighter +10%#3B5966

Darker −10%#152126

Darker −20%#030405

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1A4354

Less saturated −25%#363838

Channel breakdown

R40

G61

B70

Red40 (15.7%)

Green61 (23.9%)

Blue70 (27.5%)

Hue198°

Saturation (HSL)27.27%

Lightness21.57%

Dominant channelBlue

Hex per channelR 28 · G 3D · B 46

Keep nerding

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

#283D46

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