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Colour

#667AF0

  • #667AF0
  • Blue
  • Dark
  • Nearest: Royal blue

#667AF0 is a blue with RGB values 102, 122, 240 and HSL 231°, 82%, 67%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#667AF0#667AF0
HEX#667AF0
RGBrgb(102, 122, 240)
RGB (0–1)0.4, 0.4784, 0.9412
RGB percentages40%, 47.8%, 94.1%
HSLhsl(231.3, 82.1%, 67.1%)
HSV / HSBhsv(231.3, 57.5%, 94.1%)
CMYK57.5%, 49.2%, 0%, 5.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,716,144
CSS custom property--colour: #667AF0;

Brightness & contrast

Relative luminance0.23035WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.61:1
Contrast with white3.75:1WCAG normal text: Fail
Contrast with black5.61:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#99850F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D8AF4no red cones; affects about 1% of men; ΔE 15 from the original
Deuteranopia#247EEEno green cones; the most common form, about 1% of men; ΔE 12.1 from the original
Tritanopia#0095AAno blue cones; rare, and affects men and women equally; ΔE 66.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.75:1WCAG large text: AA
Contrast with black, large text5.61:1WCAG large text: AAA

Named colours

Royal blue · ΔE 8.1Slate blue · ΔE 14Medium slateblue · ΔE 15Medium purple · ΔE 15.4Dodgerblue · ΔE 17.5Cornflower blue · ΔE 22.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.06, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F0DC66
Analogous#66BFF0, #9766F0
Triadic#F0667A, #7AF066
Split complementary#F09766, #BFF066
Tetradic#F066BF, #F0DC66, #66F097

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F1F3FE
Lighter +20%#C3CBF9
Lighter +10%#94A2F5
Darker −10%#3852EB
Darker −20%#1532DB
Darker −30%#1127AC
Darker −40%#0C1D7E
More saturated +25%#576FFF
Less saturated −25%#7B89DB

Channel breakdown

R102
G122
B240
Red102 (40%)
Green122 (47.8%)
Blue240 (94.1%)
Hue231.3°
Saturation (HSL)82.14%
Lightness67.06%
Dominant channelBlue
Hex per channelR 66 · G 7A · B F0

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Every value on this page was computed from “667af0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.