Colour
#033B3F
- #033B3F
- Cyan
- Dark
- Nearest: Dark slate grey
#033B3F is a cyan with RGB values 3, 59, 63 and HSL 184°, 91%, 13%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#033B3F#033B3F
HEX#033B3F
RGBrgb(3, 59, 63)
RGB (0–1)0.0118, 0.2314, 0.2471
RGB percentages1.2%, 23.1%, 24.7%
HSLhsl(184, 90.9%, 12.9%)
HSV / HSBhsv(184, 95.2%, 24.7%)
CMYK95.2%, 6.3%, 0%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer211,775
CSS custom property--colour: #033B3F;
Brightness & contrast
Relative luminance0.03506WCAG 2.x, 0 is black and 1 is white
Perceived brightness50 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.34:1
Contrast with white12.34:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#FCC4C0
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.34:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3F0703
Analogous#033F25, #031D3F
Triadic#3F033B, #3B3F03
Split complementary#3F031D, #3F2503
Tetradic#25033F, #3F0703, #1D3F03
Tints, shades & saturation
Channel breakdown
R3
G59
B63
Red3 (1.2%)
Green59 (23.1%)
Blue63 (24.7%)
Hue184°
Saturation (HSL)90.91%
Lightness12.94%
Dominant channelBlue
Hex per channelR 03 · G 3B · B 3F
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