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Colour

#678BA7

  • #678BA7
  • Blue
  • Dark
  • Nearest: Light slate grey

#678BA7 is a blue with RGB values 103, 139, 167 and HSL 206°, 27%, 53%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#678BA7#678BA7
HEX#678BA7
RGBrgb(103, 139, 167)
RGB (0–1)0.4039, 0.5451, 0.6549
RGB percentages40.4%, 54.5%, 65.5%
HSLhsl(206.3, 26.7%, 52.9%)
HSV / HSBhsv(206.3, 38.3%, 65.5%)
CMYK38.3%, 16.8%, 0%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,785,959
CSS custom property--colour: #678BA7;

Brightness & contrast

Relative luminance0.24139WCAG 2.x, 0 is black and 1 is white
Perceived brightness133 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.83:1
Contrast with white3.6:1WCAG normal text: Fail
Contrast with black5.83:1WCAG normal text: AA
Greyscale equivalent#858585
Inverted#987458

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7F8BA8no red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#7784A7no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#519294no blue cones; rare, and affects men and women equally; ΔE 18.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.6:1WCAG large text: AA
Contrast with black, large text5.83:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 8.3Slate grey · ΔE 9.4Steel blue · ΔE 14Cadetblue · ΔE 19Gray · ΔE 19.7Dim grey · ΔE 22.8
Nearest named CSS colourLight slate grey (#778899)ΔE 8.25, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A78367
Analogous#67A7A3, #676BA7
Triadic#A7678B, #8BA767
Split complementary#A7676B, #A7A367
Tetradic#A367A7, #A78367, #6BA767

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E8EEF2
Lighter +30%#C8D5DF
Lighter +20%#A8BCCC
Lighter +10%#87A4BA
Darker −10%#50718B
Darker −20%#3E576A
Darker −30%#2B3C4A
Darker −40%#18222A
More saturated +25%#498FC5
Less saturated −25%#858789

Channel breakdown

R103
G139
B167
Red103 (40.4%)
Green139 (54.5%)
Blue167 (65.5%)
Hue206.25°
Saturation (HSL)26.67%
Lightness52.94%
Dominant channelBlue
Hex per channelR 67 · G 8B · B A7

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Every value on this page was computed from “678ba7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.