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Colour

#53638A

  • #53638A
  • Blue
  • Dark
  • Nearest: Steel blue

#53638A is a blue with RGB values 83, 99, 138 and HSL 223°, 25%, 43%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#53638A#53638A
HEX#53638A
RGBrgb(83, 99, 138)
RGB (0–1)0.3255, 0.3882, 0.5412
RGB percentages32.5%, 38.8%, 54.1%
HSLhsl(222.5, 24.9%, 43.3%)
HSV / HSBhsv(222.5, 39.9%, 54.1%)
CMYK39.9%, 28.3%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,464,970
CSS custom property--colour: #53638A;

Brightness & contrast

Relative luminance0.12598WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.97:1
Contrast with white5.97:1WCAG normal text: AA
Contrast with black3.52:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#AC9C75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#56668Cno red cones; affects about 1% of men; ΔE 1.4 from the original
Deuteranopia#506189no green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#416B71no blue cones; rare, and affects men and women equally; ΔE 23.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.97:1WCAG large text: AAA
Contrast with black, large text3.52:1WCAG large text: AA

Named colours

Steel blue · ΔE 15.9Slate grey · ΔE 18Light slate grey · ΔE 19.7Dim grey · ΔE 24Gray · ΔE 26.5Dark slate grey · ΔE 27.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.93, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A7A53
Analogous#537F8A, #5E538A
Triadic#8A5363, #638A53
Split complementary#8A5E53, #7F8A53
Tetradic#8A537F, #8A7A53, #538A5E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAD0DF
Lighter +30%#AAB4CC
Lighter +20%#8A98B9
Lighter +10%#6A7CA6
Darker −10%#404C6A
Darker −20%#2D354A
Darker −30%#1A1E2A
Darker −40%#06080B
More saturated +25%#3757A6
Less saturated −25%#6F6F6F

Channel breakdown

R83
G99
B138
Red83 (32.5%)
Green99 (38.8%)
Blue138 (54.1%)
Hue222.55°
Saturation (HSL)24.89%
Lightness43.33%
Dominant channelBlue
Hex per channelR 53 · G 63 · B 8A

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Every value on this page was computed from “53638a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.