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Recognised as Colour

#667EE7

  • #667EE7
  • Blue
  • Dark
  • Nearest: Royal blue

#667EE7 is a blue with RGB values 102, 126, 231 and HSL 229°, 73%, 65%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#667EE7#667EE7
HEX#667EE7
RGBrgb(102, 126, 231)
RGB (0–1)0.4, 0.4941, 0.9059
RGB percentages40%, 49.4%, 90.6%
HSLhsl(228.8, 72.9%, 65.3%)
HSV / HSBhsv(228.8, 55.8%, 90.6%)
CMYK55.8%, 45.5%, 0%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,717,159
CSS custom property--colour: #667EE7;

Brightness & contrast

Relative luminance0.23516WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.7:1
Contrast with white3.68:1WCAG normal text: Fail
Contrast with black5.7:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#998118

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4E8BEBno red cones; affects about 1% of men; ΔE 11.2 from the original
Deuteranopia#3D80E5no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#1695A7no blue cones; rare, and affects men and women equally; ΔE 60 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.68:1WCAG large text: AA
Contrast with black, large text5.7:1WCAG large text: AAA

Named colours

Royal blue · ΔE 13Dodgerblue · ΔE 14.2Cornflower blue · ΔE 15.3Medium purple · ΔE 16.4Slate blue · ΔE 17.9Medium slateblue · ΔE 21.9
Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.96, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E7CF66
Analogous#66BEE7, #8F66E7
Triadic#E7667E, #7EE766
Split complementary#E78F66, #BEE766
Tetradic#E766BE, #E7CF66, #66E78F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EAEEFC
Lighter +20%#BEC8F5
Lighter +10%#92A3EE
Darker −10%#3A59E0
Darker −20%#1F3FC8
Darker −30%#18319C
Darker −40%#112370
More saturated +25%#5070FD
Less saturated −25%#7C8CD1

Channel breakdown

R102
G126
B231
Red102 (40%)
Green126 (49.4%)
Blue231 (90.6%)
Hue228.84°
Saturation (HSL)72.88%
Lightness65.29%
Dominant channelBlue
Hex per channelR 66 · G 7E · B E7

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Every value on this page was computed from “667ee7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.