Colour
#003F4E
- #003F4E
- Cyan
- Dark
- Nearest: Dark slate grey
#003F4E is a cyan with RGB values 0, 63, 78 and HSL 192°, 100%, 15%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#003F4E#003F4E
HEX#003F4E
RGBrgb(0, 63, 78)
RGB (0–1)0, 0.2471, 0.3059
RGB percentages0%, 24.7%, 30.6%
HSLhsl(191.5, 100%, 15.3%)
HSV / HSBhsv(191.5, 100%, 30.6%)
CMYK100%, 19.2%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,206
CSS custom property--colour: #003F4E;
Brightness & contrast
Relative luminance0.04105WCAG 2.x, 0 is black and 1 is white
Perceived brightness55 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.53:1
Contrast with white11.53:1WCAG normal text: AAA
Contrast with black1.82:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#FFC0B1
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.53:1WCAG large text: AAA
Contrast with black, large text1.82:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4E0F00
Analogous#004E36, #00184E
Triadic#4E003F, #3F4E00
Split complementary#4E0018, #4E3600
Tetradic#36004E, #4E0F00, #184E00
Tints, shades & saturation
Channel breakdown
R0
G63
B78
Red0 (0%)
Green63 (24.7%)
Blue78 (30.6%)
Hue191.54°
Saturation (HSL)100%
Lightness15.29%
Dominant channelBlue
Hex per channelR 00 · G 3F · B 4E
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page