Recognised as Colour
#1234B8
- #1234B8
- Blue
- Dark
- Nearest: Dark blue
#1234B8 is a blue with RGB values 18, 52, 184 and HSL 228°, 82%, 40%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#1234B8#1234B8
HEX#1234B8
RGBrgb(18, 52, 184)
RGB (0–1)0.0706, 0.2039, 0.7216
RGB percentages7.1%, 20.4%, 72.2%
HSLhsl(227.7, 82.2%, 39.6%)
HSV / HSBhsv(227.7, 90.2%, 72.2%)
CMYK90.2%, 71.7%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,193,144
CSS custom property--colour: #1234B8;
Brightness & contrast
Relative luminance0.06045WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.51:1
Contrast with white9.51:1WCAG normal text: AAA
Contrast with black2.21:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#EDCB47
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.51:1WCAG large text: AAA
Contrast with black, large text2.21:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#B89612
Analogous#1287B8, #4312B8
Triadic#B81234, #34B812
Split complementary#B84312, #87B812
Tetradic#B81287, #B89612, #12B843
Tints, shades & saturation
Channel breakdown
R18
G52
B184
Red18 (7.1%)
Green52 (20.4%)
Blue184 (72.2%)
Hue227.71°
Saturation (HSL)82.18%
Lightness39.61%
Dominant channelBlue
Hex per channelR 12 · G 34 · B B8
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