Recognised as Colour
#30898B
- #30898B
- Cyan
- Dark
- Nearest: Teal
#30898B is a cyan with RGB values 48, 137, 139 and HSL 181°, 49%, 37%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Teal.
Colour values
#30898B#30898B
HEX#30898B
RGBrgb(48, 137, 139)
RGB (0–1)0.1882, 0.5373, 0.5451
RGB percentages18.8%, 53.7%, 54.5%
HSLhsl(181.3, 48.7%, 36.7%)
HSV / HSBhsv(181.3, 65.5%, 54.5%)
CMYK65.5%, 1.4%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,180,939
CSS custom property--colour: #30898B;
Brightness & contrast
Relative luminance0.20384WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.08:1
Contrast with white4.14:1WCAG normal text: Fail
Contrast with black5.08:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#CF7674
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.14:1WCAG large text: AA
Contrast with black, large text5.08:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8B3230
Analogous#308B60, #305B8B
Triadic#8B3089, #898B30
Split complementary#8B305B, #8B6030
Tetradic#60308B, #8B3230, #5B8B30
Tints, shades & saturation
Channel breakdown
R48
G137
B139
Red48 (18.8%)
Green137 (53.7%)
Blue139 (54.5%)
Hue181.32°
Saturation (HSL)48.66%
Lightness36.67%
Dominant channelBlue
Hex per channelR 30 · G 89 · B 8B
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