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Recognised as Colour

#6574A4

  • #6574A4
  • Blue
  • Dark
  • Nearest: Steel blue

#6574A4 is a blue with RGB values 101, 116, 164 and HSL 226°, 26%, 52%. 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

#6574A4#6574A4
HEX#6574A4
RGBrgb(101, 116, 164)
RGB (0–1)0.3961, 0.4549, 0.6431
RGB percentages39.6%, 45.5%, 64.3%
HSLhsl(225.7, 25.7%, 52%)
HSV / HSBhsv(225.7, 38.4%, 64.3%)
CMYK38.4%, 29.3%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,648,996
CSS custom property--colour: #6574A4;

Brightness & contrast

Relative luminance0.17938WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.59:1
Contrast with white4.58:1WCAG normal text: AA
Contrast with black4.59:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#9A8B5B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6478A6no red cones; affects about 1% of men; ΔE 2.5 from the original
Deuteranopia#5F73A3no green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#527E85no blue cones; rare, and affects men and women equally; ΔE 27.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.58:1WCAG large text: AAA
Contrast with black, large text4.59:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.2Slate grey · ΔE 19.5Light slate grey · ΔE 19.8Cornflower blue · ΔE 25.2Gray · ΔE 28.7Dim grey · ΔE 28.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.21, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A49565
Analogous#6593A4, #7665A4
Triadic#A46574, #74A465
Split complementary#A47665, #94A465
Tetradic#A46593, #A49565, #65A476

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5E8F0
Lighter +30%#C5CBDD
Lighter +20%#A5AECA
Lighter +10%#8591B7
Darker −10%#4F5D87
Darker −20%#3D4766
Darker −30%#2A3046
Darker −40%#171A26
More saturated +25%#4664C3
Less saturated −25%#848485

Channel breakdown

R101
G116
B164
Red101 (39.6%)
Green116 (45.5%)
Blue164 (64.3%)
Hue225.71°
Saturation (HSL)25.71%
Lightness51.96%
Dominant channelBlue
Hex per channelR 65 · G 74 · B A4

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Every value on this page was computed from “6574a4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.