Nerdulator> put something in

Recognised as Colour

#497AAA

  • #497AAA
  • Blue
  • Dark
  • Nearest: Steel blue

#497AAA is a blue with RGB values 73, 122, 170 and HSL 210°, 40%, 48%. 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

#497AAA#497AAA
HEX#497AAA
RGBrgb(73, 122, 170)
RGB (0–1)0.2863, 0.4784, 0.6667
RGB percentages28.6%, 47.8%, 66.7%
HSLhsl(209.7, 39.9%, 47.6%)
HSV / HSBhsv(209.7, 57.1%, 66.7%)
CMYK57.1%, 28.2%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,815,530
CSS custom property--colour: #497AAA;

Brightness & contrast

Relative luminance0.18238WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.65:1
Contrast with white4.52:1WCAG normal text: AA
Contrast with black4.65:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#B68555

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#667CACno red cones; affects about 1% of men; ΔE 7.5 from the original
Deuteranopia#5972A9no green cones; the most common form, about 1% of men; ΔE 8.6 from the original
Tritanopia#00858Bno blue cones; rare, and affects men and women equally; ΔE 31.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.52:1WCAG large text: AAA
Contrast with black, large text4.65:1WCAG large text: AAA

Named colours

Steel blue · ΔE 3.7Slate grey · ΔE 20.3Light slate grey · ΔE 20.4Cornflower blue · ΔE 25Deep skyblue · ΔE 30.1Gray · ΔE 30.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 3.73, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA7949
Analogous#49AAA9, #494AAA
Triadic#AA497A, #7AAA49
Split complementary#AA494A, #AAAA49
Tetradic#A949AA, #AA7949, #49AA49

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3E0EC
Lighter +30%#AFC6DD
Lighter +20%#8CADCD
Lighter +10%#6893BE
Darker −10%#3A6086
Darker −20%#2A4763
Darker −30%#1B2D3F
Darker −40%#0C141B
More saturated +25%#2B7AC8
Less saturated −25%#677A8C

Channel breakdown

R73
G122
B170
Red73 (28.6%)
Green122 (47.8%)
Blue170 (66.7%)
Hue209.69°
Saturation (HSL)39.92%
Lightness47.65%
Dominant channelBlue
Hex per channelR 49 · G 7A · B AA

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “497aaa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.