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Recognised as Colour

#437AAA

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

#437AAA is a blue with RGB values 67, 122, 170 and HSL 208°, 43%, 46%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#437AAA#437AAA
HEX#437AAA
RGBrgb(67, 122, 170)
RGB (0–1)0.2627, 0.4784, 0.6667
RGB percentages26.3%, 47.8%, 66.7%
HSLhsl(208, 43.5%, 46.5%)
HSV / HSBhsv(208, 60.6%, 66.7%)
CMYK60.6%, 28.2%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,422,314
CSS custom property--colour: #437AAA;

Brightness & contrast

Relative luminance0.18015WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.6:1
Contrast with white4.56:1WCAG normal text: AA
Contrast with black4.6:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#BC8555

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#657BACno red cones; affects about 1% of men; ΔE 8.8 from the original
Deuteranopia#5871A9no green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#00858Bno blue cones; rare, and affects men and women equally; ΔE 31 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.56:1WCAG large text: AAA
Contrast with black, large text4.6:1WCAG large text: AAA

Named colours

Steel blue · ΔE 3.3Slate grey · ΔE 20.8Light slate grey · ΔE 21Cornflower blue · ΔE 25.4Deep skyblue · ΔE 29.5Cadetblue · ΔE 31
Nearest named CSS colourSteel blue (#4682B4)ΔE 3.27, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA7343
Analogous#43AAA6, #4347AA
Triadic#AA437A, #7AAA43
Split complementary#AA4347, #AAA643
Tetradic#A643AA, #AA7343, #47AA43

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEDEEB
Lighter +30%#A9C5DD
Lighter +20%#84ACCF
Lighter +10%#6093C0
Darker −10%#356085
Darker −20%#264561
Darker −30%#182B3C
Darker −40%#091118
More saturated +25%#257CC8
Less saturated −25%#61788C

Channel breakdown

R67
G122
B170
Red67 (26.3%)
Green122 (47.8%)
Blue170 (66.7%)
Hue207.96°
Saturation (HSL)43.46%
Lightness46.47%
Dominant channelBlue
Hex per channelR 43 · G 7A · B AA

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