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Colour

#677FFC

  • #677FFC
  • Blue
  • Dark
  • Nearest: Royal blue

#677FFC is a blue with RGB values 103, 127, 252 and HSL 230°, 96%, 70%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#677FFC#677FFC
HEX#677FFC
RGBrgb(103, 127, 252)
RGB (0–1)0.4039, 0.498, 0.9882
RGB percentages40.4%, 49.8%, 98.8%
HSLhsl(230.3, 96.1%, 69.6%)
HSV / HSBhsv(230.3, 59.1%, 98.8%)
CMYK59.1%, 49.6%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,782,972
CSS custom property--colour: #677FFC;

Brightness & contrast

Relative luminance0.25091WCAG 2.x, 0 is black and 1 is white
Perceived brightness141 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.02:1
Contrast with white3.49:1WCAG normal text: Fail
Contrast with black6.02:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#988003

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C90FFno red cones; affects about 1% of men; ΔE 16 from the original
Deuteranopia#1A83F9no green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#009CB2no blue cones; rare, and affects men and women equally; ΔE 69.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.49:1WCAG large text: AA
Contrast with black, large text6.02:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.5Medium slateblue · ΔE 14.1Slate blue · ΔE 16.2Medium purple · ΔE 17.7Dodgerblue · ΔE 18.2Cornflower blue · ΔE 24.9
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.47, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCE467
Analogous#67CAFC, #9A67FC
Triadic#FC677F, #7FFC67
Split complementary#FC9A67, #CAFC67
Tetradic#FC67C9, #FCE467, #67FC99

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FDFDFF
Lighter +20%#CBD3FE
Lighter +10%#99A9FD
Darker −10%#3555FB
Darker −20%#052CF8
Darker −30%#0423C6
Darker −40%#031A94
More saturated +25%#647DFF
Less saturated −25%#7A8CE9

Channel breakdown

R103
G127
B252
Red103 (40.4%)
Green127 (49.8%)
Blue252 (98.8%)
Hue230.34°
Saturation (HSL)96.13%
Lightness69.61%
Dominant channelBlue
Hex per channelR 67 · G 7F · B FC

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Every value on this page was computed from “677ffc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.