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Colour

#667BFA

  • #667BFA
  • Blue
  • Dark
  • Nearest: Royal blue

#667BFA is a blue with RGB values 102, 123, 250 and HSL 231°, 94%, 69%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#667BFA#667BFA
HEX#667BFA
RGBrgb(102, 123, 250)
RGB (0–1)0.4, 0.4824, 0.9804
RGB percentages40%, 48.2%, 98%
HSLhsl(231.5, 93.7%, 69%)
HSV / HSBhsv(231.5, 59.2%, 98%)
CMYK59.2%, 50.8%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,716,410
CSS custom property--colour: #667BFA;

Brightness & contrast

Relative luminance0.23893WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.78:1
Contrast with white3.63:1WCAG normal text: Fail
Contrast with black5.78:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#998405

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#338DFFno red cones; affects about 1% of men; ΔE 16.5 from the original
Deuteranopia#0480F7no green cones; the most common form, about 1% of men; ΔE 13.9 from the original
Tritanopia#0098AFno blue cones; rare, and affects men and women equally; ΔE 70.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.63:1WCAG large text: AA
Contrast with black, large text5.78:1WCAG large text: AAA

Named colours

Royal blue · ΔE 8.8Medium slateblue · ΔE 12.2Slate blue · ΔE 15Medium purple · ΔE 17.5Dodgerblue · ΔE 20Cornflower blue · ΔE 26.8
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.79, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FAE566
Analogous#66C5FA, #9B66FA
Triadic#FA667B, #7BFA66
Split complementary#FA9B66, #C5FA66
Tetradic#FA66C5, #FAE566, #66FA9B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FAFBFF
Lighter +20%#C9D0FD
Lighter +10%#97A6FC
Darker −10%#3550F8
Darker −20%#0829F2
Darker −30%#0621C1
Darker −40%#05188F
More saturated +25%#6177FF
Less saturated −25%#7A89E6

Channel breakdown

R102
G123
B250
Red102 (40%)
Green123 (48.2%)
Blue250 (98%)
Hue231.49°
Saturation (HSL)93.67%
Lightness69.02%
Dominant channelBlue
Hex per channelR 66 · G 7B · B FA

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Every value on this page was computed from “667bfa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.