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Recognised as Colour

#00303A

  • #00303A
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#00303A is a cyan with RGB values 0, 48, 58 and HSL 190°, 100%, 11%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#00303A#00303A
HEX#00303A
RGBrgb(0, 48, 58)
RGB (0–1)0, 0.1882, 0.2275
RGB percentages0%, 18.8%, 22.7%
HSLhsl(190.3, 100%, 11.4%)
HSV / HSBhsv(190.3, 100%, 22.7%)
CMYK100%, 17.2%, 0%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,346
CSS custom property--colour: #00303A;

Brightness & contrast

Relative luminance0.02419WCAG 2.x, 0 is black and 1 is white
Perceived brightness41.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.15:1
Contrast with white14.15:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#FFCFC5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#292E3Bno red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#22293Ano green cones; the most common form, about 1% of men; ΔE 13 from the original
Tritanopia#003433no blue cones; rare, and affects men and women equally; ΔE 8.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.15:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.4Black · ΔE 23.2Dim grey · ΔE 30.9Teal · ΔE 35.7Slate grey · ΔE 36.3Gray · ΔE 39.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.38, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3A0A00
Analogous#003A27, #00133A
Triadic#3A0030, #303A00
Split complementary#3A0013, #3A2700
Tetradic#27003A, #3A0A00, #133A00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#07D4FF
Lighter +30%#00AFD3
Lighter +20%#0084A0
Lighter +10%#005A6D
Darker −10%#000607
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00303A
Less saturated −25%#072B33

Channel breakdown

R0
G48
B58
Red0 (0%)
Green48 (18.8%)
Blue58 (22.7%)
Hue190.34°
Saturation (HSL)100%
Lightness11.37%
Dominant channelBlue
Hex per channelR 00 · G 30 · B 3A

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Every value on this page was computed from “00303a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.