Colour

#00303D

#00303D
Cyan
Dark
Nearest: Dark slate grey

#00303D is a cyan with RGB values 0, 48, 61 and HSL 193°, 100%, 12%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#00303D#00303D

HEX#00303D

RGBrgb(0, 48, 61)

RGB (0–1)0, 0.1882, 0.2392

RGB percentages0%, 18.8%, 23.9%

HSLhsl(192.8, 100%, 12%)

HSV / HSBhsv(192.8, 100%, 23.9%)

CMYK100%, 21.3%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,349

CSS custom property--colour: #00303D;

Brightness & contrast

Relative luminance0.02451WCAG 2.x, 0 is black and 1 is white

Perceived brightness42.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.09:1

Contrast with white14.09:1WCAG normal text: AAA

Contrast with black1.49:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#FFCFC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#282E3Eno red cones; affects about 1% of men; ΔE 11.7 from the original

Deuteranopia#20293Dno green cones; the most common form, about 1% of men; ΔE 12.1 from the original

Tritanopia#003434no blue cones; rare, and affects men and women equally; ΔE 10 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.09:1WCAG large text: AAA

Contrast with black, large text1.49:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.3 Black · ΔE 23.7 Dim grey · ΔE 31 Slate grey · ΔE 36 Teal · ΔE 36.4 Light slate grey · ΔE 38.9

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.3, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3D0D00

Analogous#003D2C, #00113D

Triadic#3D0030, #303D00

Split complementary#3D0012, #3D2C00

Tetradic#2C003D, #3D0D00, #113D00

Tints, shades & saturation

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

Lighter +40%#0ACBFF

Lighter +30%#00A8D6

Lighter +20%#0080A3

Lighter +10%#005870

Darker −10%#00080A

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00303D

Less saturated −25%#082C35

Channel breakdown

G48

B61

Red0 (0%)

Green48 (18.8%)

Blue61 (23.9%)

Hue192.79°

Saturation (HSL)100%

Lightness11.96%

Dominant channelBlue

Hex per channelR 00 · G 30 · B 3D

Keep nerding

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

#00303D

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