Recognised as Colour
#033A37
- #033A37
- Cyan
- Dark
- Nearest: Dark slate grey
#033A37 is a cyan with RGB values 3, 58, 55 and HSL 177°, 90%, 12%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#033A37#033A37
HEX#033A37
RGBrgb(3, 58, 55)
RGB (0–1)0.0118, 0.2275, 0.2157
RGB percentages1.2%, 22.7%, 21.6%
HSLhsl(176.7, 90.2%, 12%)
HSV / HSBhsv(176.7, 94.8%, 22.7%)
CMYK94.8%, 0%, 5.2%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer211,511
CSS custom property--colour: #033A37;
Brightness & contrast
Relative luminance0.03321WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.62:1
Contrast with white12.62:1WCAG normal text: AAA
Contrast with black1.66:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#FCC5C8
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.62:1WCAG large text: AAA
Contrast with black, large text1.66:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3A0306
Analogous#033A1C, #03213A
Triadic#37033A, #3A3703
Split complementary#3A0321, #3A1C03
Tetradic#1C033A, #3A0306, #213A03
Tints, shades & saturation
Channel breakdown
R3
G58
B55
Red3 (1.2%)
Green58 (22.7%)
Blue55 (21.6%)
Hue176.73°
Saturation (HSL)90.16%
Lightness11.96%
Dominant channelGreen
Hex per channelR 03 · G 3A · B 37
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