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Recognised as Colour

#677EA4

  • #677EA4
  • Blue
  • Dark
  • Nearest: Steel blue

#677EA4 is a blue with RGB values 103, 126, 164 and HSL 217°, 25%, 52%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#677EA4#677EA4
HEX#677EA4
RGBrgb(103, 126, 164)
RGB (0–1)0.4039, 0.4941, 0.6431
RGB percentages40.4%, 49.4%, 64.3%
HSLhsl(217.4, 25.1%, 52.4%)
HSV / HSBhsv(217.4, 37.2%, 64.3%)
CMYK37.2%, 23.2%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,782,628
CSS custom property--colour: #677EA4;

Brightness & contrast

Relative luminance0.20486WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.1:1
Contrast with white4.12:1WCAG normal text: Fail
Contrast with black5.1:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#98815B

Colour vision & accessibility

Protanopia#7180A6no red cones; affects about 1% of men; ΔE 2.8 from the original
Deuteranopia#6A7AA3no green cones; the most common form, about 1% of men; ΔE 3.2 from the original
Tritanopia#54868Bno blue cones; rare, and affects men and women equally; ΔE 22.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.12:1WCAG large text: AA
Contrast with black, large text5.1:1WCAG large text: AAA

Named colours

Nearest named CSS colourSteel blue (#4682B4)ΔE 10.76, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#A48D67
Analogous#679DA4, #6E67A4
Triadic#A4677E, #7EA467
Split complementary#A46E67, #9DA467
Tetradic#A4679D, #A48D67, #67A46E

Tints, shades & saturation

Lighter +40%#E7EAF0
Lighter +30%#C7CFDD
Lighter +20%#A7B4CA
Lighter +10%#8799B7
Darker −10%#516587
Darker −20%#3E4D67
Darker −30%#2B3547
Darker −40%#181E27
More saturated +25%#4977C2
Less saturated −25%#858586

Channel breakdown

R103
G126
B164
Red103 (40.4%)
Green126 (49.4%)
Blue164 (64.3%)
Hue217.38°
Saturation (HSL)25.1%
Lightness52.35%
Dominant channelBlue
Hex per channelR 67 · G 7E · B A4

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Every value on this page was computed from “677ea4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.