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Recognised as Colour

#667FBE

  • #667FBE
  • Blue
  • Dark
  • Nearest: Steel blue

#667FBE is a blue with RGB values 102, 127, 190 and HSL 223°, 40%, 57%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#667FBE#667FBE
HEX#667FBE
RGBrgb(102, 127, 190)
RGB (0–1)0.4, 0.498, 0.7451
RGB percentages40%, 49.8%, 74.5%
HSLhsl(223, 40.4%, 57.3%)
HSV / HSBhsv(223, 46.3%, 74.5%)
CMYK46.3%, 33.2%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,717,374
CSS custom property--colour: #667FBE;

Brightness & contrast

Relative luminance0.21721WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.34:1
Contrast with white3.93:1WCAG normal text: Fail
Contrast with black5.34:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#998041

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6885C1no red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#5F7DBDno green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#448C96no blue cones; rare, and affects men and women equally; ΔE 36.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.93:1WCAG large text: AA
Contrast with black, large text5.34:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.8Cornflower blue · ΔE 15.8Light slate grey · ΔE 26.9Slate grey · ΔE 27.3Dodgerblue · ΔE 28.2Dark slateblue · ΔE 29.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BEA566
Analogous#66ABBE, #7966BE
Triadic#BE667F, #7FBE66
Split complementary#BE7966, #ABBE66
Tetradic#BE66AB, #BEA566, #66BE79

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F5F7FB
Lighter +30%#D1D9EC
Lighter +20%#AEBBDC
Lighter +10%#8A9DCD
Darker −10%#4863A9
Darker −20%#394E85
Darker −30%#293962
Darker −40%#1A243E
More saturated +25%#4B73D9
Less saturated −25%#818BA3

Channel breakdown

R102
G127
B190
Red102 (40%)
Green127 (49.8%)
Blue190 (74.5%)
Hue222.95°
Saturation (HSL)40.37%
Lightness57.25%
Dominant channelBlue
Hex per channelR 66 · G 7F · B BE

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