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Recognised as Colour

#38637B

  • #38637B
  • Blue
  • Dark
  • Nearest: Slate grey

#38637B is a blue with RGB values 56, 99, 123 and HSL 201°, 37%, 35%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#38637B#38637B
HEX#38637B
RGBrgb(56, 99, 123)
RGB (0–1)0.2196, 0.3882, 0.4824
RGB percentages22%, 38.8%, 48.2%
HSLhsl(201.5, 37.4%, 35.1%)
HSV / HSBhsv(201.5, 54.5%, 48.2%)
CMYK54.5%, 19.5%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,695,483
CSS custom property--colour: #38637B;

Brightness & contrast

Relative luminance0.11194WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.48:1
Contrast with white6.48:1WCAG normal text: AA
Contrast with black3.24:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#C79C84

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#58627Cno red cones; affects about 1% of men; ΔE 10.6 from the original
Deuteranopia#4E5B7Bno green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#0F696Bno blue cones; rare, and affects men and women equally; ΔE 18.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.48:1WCAG large text: AAA
Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Slate grey · ΔE 15.9Dark slate grey · ΔE 17.2Light slate grey · ΔE 18.2Steel blue · ΔE 19.3Dim grey · ΔE 20.1Gray · ΔE 23.9
Nearest named CSS colourSlate grey (#708090)ΔE 15.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B5038
Analogous#387B72, #38417B
Triadic#7B3863, #637B38
Split complementary#7B3841, #7B7238
Tetradic#72387B, #7B5038, #417B38

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8C6D7
Lighter +30%#85AFC7
Lighter +20%#6299B7
Lighter +10%#487F9E
Darker −10%#284758
Darker −20%#182B35
Darker −30%#080E12
Darker −40%#000000
More saturated +25%#226991
Less saturated −25%#4E5D65

Channel breakdown

R56
G99
B123
Red56 (22%)
Green99 (38.8%)
Blue123 (48.2%)
Hue201.49°
Saturation (HSL)37.43%
Lightness35.1%
Dominant channelBlue
Hex per channelR 38 · G 63 · B 7B

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Every value on this page was computed from “38637b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.