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Recognised as Colour

#6376DD

  • #6376DD
  • Blue
  • Dark
  • Nearest: Royal blue

#6376DD is a blue with RGB values 99, 118, 221 and HSL 231°, 64%, 63%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#6376DD#6376DD
HEX#6376DD
RGBrgb(99, 118, 221)
RGB (0–1)0.3882, 0.4627, 0.8667
RGB percentages38.8%, 46.3%, 86.7%
HSLhsl(230.7, 64.2%, 62.7%)
HSV / HSBhsv(230.7, 55.2%, 86.7%)
CMYK55.2%, 46.6%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,518,493
CSS custom property--colour: #6376DD;

Brightness & contrast

Relative luminance0.2083WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.17:1
Contrast with white4.07:1WCAG normal text: Fail
Contrast with black5.17:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#9C8922

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4683E1no red cones; affects about 1% of men; ΔE 12 from the original
Deuteranopia#3679DBno green cones; the most common form, about 1% of men; ΔE 10.1 from the original
Tritanopia#1F8D9Fno blue cones; rare, and affects men and women equally; ΔE 58.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.07:1WCAG large text: AA
Contrast with black, large text5.17:1WCAG large text: AAA

Named colours

Royal blue · ΔE 12Medium purple · ΔE 15.2Slate blue · ΔE 15.6Dodgerblue · ΔE 16.5Cornflower blue · ΔE 17.1Medium slateblue · ΔE 21.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDCA63
Analogous#63B3DD, #8D63DD
Triadic#DD6376, #76DD63
Split complementary#DD8D63, #B3DD63
Tetradic#DD63B3, #DDCA63, #63DD8D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E1E4F8
Lighter +20%#B7C0EF
Lighter +10%#8D9BE6
Darker −10%#3951D4
Darker −20%#273DB3
Darker −30%#1E2F89
Darker −40%#15205F
More saturated +25%#4B66F5
Less saturated −25%#7B86C5

Channel breakdown

R99
G118
B221
Red99 (38.8%)
Green118 (46.3%)
Blue221 (86.7%)
Hue230.66°
Saturation (HSL)64.21%
Lightness62.75%
Dominant channelBlue
Hex per channelR 63 · G 76 · B DD

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Every value on this page was computed from “6376dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.