Colour

#304C4D

#304C4D
Cyan
Dark
Nearest: Dark slate grey

#304C4D is a cyan with RGB values 48, 76, 77 and HSL 182°, 23%, 25%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#304C4D#304C4D

HEX#304C4D

RGBrgb(48, 76, 77)

RGB (0–1)0.1882, 0.298, 0.302

RGB percentages18.8%, 29.8%, 30.2%

HSLhsl(182.1, 23.2%, 24.5%)

HSV / HSBhsv(182.1, 37.7%, 30.2%)

CMYK37.7%, 1.3%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,165,261

CSS custom property--colour: #304C4D;

Brightness & contrast

Relative luminance0.06333WCAG 2.x, 0 is black and 1 is white

Perceived brightness69 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.26:1

Contrast with white9.26:1WCAG normal text: AAA

Contrast with black2.27:1WCAG normal text: Fail

Greyscale equivalent#464646

Inverted#CFB3B2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#484A4Dno red cones; affects about 1% of men; ΔE 10.3 from the original

Deuteranopia#43464Dno green cones; the most common form, about 1% of men; ΔE 10.6 from the original

Tritanopia#254E4Cno blue cones; rare, and affects men and women equally; ΔE 4.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.26:1WCAG large text: AAA

Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 1.9 Dim grey · ΔE 17.9 Slate grey · ΔE 24.9 Gray · ΔE 25.8 Teal · ΔE 26.3 Light slate grey · ΔE 27.8

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 1.85, below the just-noticeable difference

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4D3130

Analogous#304D40, #303D4D

Triadic#4D304C, #4C4D30

Split complementary#4D303E, #4D4030

Tetradic#3F304D, #4D3130, #3D4D30

Tints, shades & saturation

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

Lighter +40%#90B8B9

Lighter +30%#70A4A6

Lighter +20%#578A8C

Lighter +10%#446B6C

Darker −10%#1C2D2E

Darker −20%#090E0E

Darker −30%#000000

Darker −40%#000000

More saturated +25%#205B5D

Less saturated −25%#3F3F3F

Channel breakdown

R48

G76

B77

Red48 (18.8%)

Green76 (29.8%)

Blue77 (30.2%)

Hue182.07°

Saturation (HSL)23.2%

Lightness24.51%

Dominant channelBlue

Hex per channelR 30 · G 4C · B 4D

Keep nerding

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

#304C4D

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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