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Recognised as Colour

#6383BF

  • #6383BF
  • Blue
  • Dark
  • Nearest: Steel blue

#6383BF is a blue with RGB values 99, 131, 191 and HSL 219°, 42%, 57%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#6383BF#6383BF
HEX#6383BF
RGBrgb(99, 131, 191)
RGB (0–1)0.3882, 0.5137, 0.749
RGB percentages38.8%, 51.4%, 74.9%
HSLhsl(219.1, 41.8%, 56.9%)
HSV / HSBhsv(219.1, 48.2%, 74.9%)
CMYK48.2%, 31.4%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,521,791
CSS custom property--colour: #6383BF;

Brightness & contrast

Relative luminance0.22647WCAG 2.x, 0 is black and 1 is white
Perceived brightness131 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.53:1
Contrast with white3.8:1WCAG normal text: Fail
Contrast with black5.53:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#9C7C40

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6C88C2no red cones; affects about 1% of men; ΔE 2.6 from the original
Deuteranopia#627FBEno green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#3D9098no blue cones; rare, and affects men and women equally; ΔE 36.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.8:1WCAG large text: AA
Contrast with black, large text5.53:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10Cornflower blue · ΔE 16.6Light slate grey · ΔE 25Slate grey · ΔE 25.5Dodgerblue · ΔE 29.3Deep skyblue · ΔE 30.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.99, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF9F63
Analogous#63B1BF, #7163BF
Triadic#BF6383, #83BF63
Split complementary#BF7163, #B1BF63
Tetradic#BF63B1, #BF9F63, #63BF71

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4F6FA
Lighter +30%#CFD9EC
Lighter +20%#ABBCDD
Lighter +10%#87A0CE
Darker −10%#4668A9
Darker −20%#375285
Darker −30%#283C61
Darker −40%#19263D
More saturated +25%#487BDB
Less saturated −25%#7F8BA3

Channel breakdown

R99
G131
B191
Red99 (38.8%)
Green131 (51.4%)
Blue191 (74.9%)
Hue219.13°
Saturation (HSL)41.82%
Lightness56.86%
Dominant channelBlue
Hex per channelR 63 · G 83 · B BF

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Every value on this page was computed from “6383bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.