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Recognised as Colour

#437ABB

  • #437ABB
  • Blue
  • Dark
  • Nearest: Steel blue

#437ABB is a blue with RGB values 67, 122, 187 and HSL 213°, 47%, 50%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#437ABB#437ABB
HEX#437ABB
RGBrgb(67, 122, 187)
RGB (0–1)0.2627, 0.4784, 0.7333
RGB percentages26.3%, 47.8%, 73.3%
HSLhsl(212.5, 47.2%, 49.8%)
HSV / HSBhsv(212.5, 64.2%, 73.3%)
CMYK64.2%, 34.8%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,422,331
CSS custom property--colour: #437ABB;

Brightness & contrast

Relative luminance0.187WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.74:1
Contrast with white4.43:1WCAG normal text: Fail
Contrast with black4.74:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#BC8544

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5E7EBEno red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#4D73BAno green cones; the most common form, about 1% of men; ΔE 6.4 from the original
Tritanopia#008992no blue cones; rare, and affects men and women equally; ΔE 39.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.43:1WCAG large text: AA
Contrast with black, large text4.74:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.1Cornflower blue · ΔE 16.6Dodgerblue · ΔE 26.5Light slate grey · ΔE 29.4Slate grey · ΔE 29.5Deep skyblue · ΔE 30.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB8443
Analogous#43B6BB, #4843BB
Triadic#BB437A, #7ABB43
Split complementary#BB4843, #B6BB43
Tetradic#BB43B6, #BB8443, #43BB48

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9E4F1
Lighter +30%#B3C9E4
Lighter +20%#8EAFD6
Lighter +10%#6894C9
Darker −10%#366295
Darker −20%#284970
Darker −30%#1B314A
Darker −40%#0D1825
More saturated +25%#2377DB
Less saturated −25%#637D9B

Channel breakdown

R67
G122
B187
Red67 (26.3%)
Green122 (47.8%)
Blue187 (73.3%)
Hue212.5°
Saturation (HSL)47.24%
Lightness49.8%
Dominant channelBlue
Hex per channelR 43 · G 7A · B BB

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Every value on this page was computed from “437abb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.