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Recognised as Colour

#677EB3

  • #677EB3
  • Blue
  • Dark
  • Nearest: Steel blue

#677EB3 is a blue with RGB values 103, 126, 179 and HSL 222°, 33%, 55%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#677EB3#677EB3
HEX#677EB3
RGBrgb(103, 126, 179)
RGB (0–1)0.4039, 0.4941, 0.702
RGB percentages40.4%, 49.4%, 70.2%
HSLhsl(221.8, 33.3%, 55.3%)
HSV / HSBhsv(221.8, 42.5%, 70.2%)
CMYK42.5%, 29.6%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,782,643
CSS custom property--colour: #677EB3;

Brightness & contrast

Relative luminance0.2106WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.21:1
Contrast with white4.03:1WCAG normal text: Fail
Contrast with black5.21:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#98814C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B82B5no red cones; affects about 1% of men; ΔE 2 from the original
Deuteranopia#647BB2no green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#4D8991no blue cones; rare, and affects men and women equally; ΔE 30.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.03:1WCAG large text: AA
Contrast with black, large text5.21:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.9Cornflower blue · ΔE 21Light slate grey · ΔE 21.3Slate grey · ΔE 21.5Light steelblue · ΔE 30.6Gray · ΔE 31.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.92, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B39C67
Analogous#67A4B3, #7667B3
Triadic#B3677E, #7EB367
Split complementary#B37667, #A4B367
Tetradic#B367A4, #B39C67, #67B376

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFF1F7
Lighter +30%#CDD5E6
Lighter +20%#ABB8D5
Lighter +10%#899BC4
Darker −10%#4D649A
Darker −20%#3C4E78
Darker −30%#2B3856
Darker −40%#1A2234
More saturated +25%#4B73D0
Less saturated −25%#848997

Channel breakdown

R103
G126
B179
Red103 (40.4%)
Green126 (49.4%)
Blue179 (70.2%)
Hue221.84°
Saturation (HSL)33.33%
Lightness55.29%
Dominant channelBlue
Hex per channelR 67 · G 7E · B B3

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Every value on this page was computed from “677eb3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.