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Recognised as Colour

#678FCA

  • #678FCA
  • Blue
  • Dark
  • Nearest: Steel blue

#678FCA is a blue with RGB values 103, 143, 202 and HSL 216°, 48%, 60%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#678FCA#678FCA
HEX#678FCA
RGBrgb(103, 143, 202)
RGB (0–1)0.4039, 0.5608, 0.7922
RGB percentages40.4%, 56.1%, 79.2%
HSLhsl(215.8, 48.3%, 59.8%)
HSV / HSBhsv(215.8, 49%, 79.2%)
CMYK49%, 29.2%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,787,018
CSS custom property--colour: #678FCA;

Brightness & contrast

Relative luminance0.26793WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.36:1
Contrast with white3.3:1WCAG normal text: Fail
Contrast with black6.36:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#987035

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7893CDno red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#6D89C9no green cones; the most common form, about 1% of men; ΔE 5.1 from the original
Tritanopia#3B9CA4no blue cones; rare, and affects men and women equally; ΔE 35.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.3:1WCAG large text: AA
Contrast with black, large text6.36:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.5Cornflower blue · ΔE 16.4Light slate grey · ΔE 24.3Slate grey · ΔE 25.3Light skyblue · ΔE 25.6Deep skyblue · ΔE 25.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.5, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CAA267
Analogous#67C0CA, #7167CA
Triadic#CA678F, #8FCA67
Split complementary#CA7067, #C1CA67
Tetradic#CA67C0, #CAA267, #67CA71

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEFEFF
Lighter +30%#D8E3F2
Lighter +20%#B3C7E4
Lighter +10%#8DABD7
Darker −10%#4273BC
Darker −20%#345C97
Darker −30%#274571
Darker −40%#1A2E4B
More saturated +25%#4D8AE4
Less saturated −25%#8194B0

Channel breakdown

R103
G143
B202
Red103 (40.4%)
Green143 (56.1%)
Blue202 (79.2%)
Hue215.76°
Saturation (HSL)48.29%
Lightness59.8%
Dominant channelBlue
Hex per channelR 67 · G 8F · B CA

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