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Recognised as Colour

#455E6B

  • #455E6B
  • Blue
  • Dark
  • Nearest: Dark slate grey

#455E6B is a blue with RGB values 69, 94, 107 and HSL 201°, 22%, 35%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#455E6B#455E6B
HEX#455E6B
RGBrgb(69, 94, 107)
RGB (0–1)0.2706, 0.3686, 0.4196
RGB percentages27.1%, 36.9%, 42%
HSLhsl(200.5, 21.6%, 34.5%)
HSV / HSBhsv(200.5, 35.5%, 42%)
CMYK35.5%, 12.1%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,546,155
CSS custom property--colour: #455E6B;

Brightness & contrast

Relative luminance0.10332WCAG 2.x, 0 is black and 1 is white
Perceived brightness89 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.85:1
Contrast with white6.85:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#BAA194

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#585D6Cno red cones; affects about 1% of men; ΔE 7.5 from the original
Deuteranopia#52596Bno green cones; the most common form, about 1% of men; ΔE 7.5 from the original
Tritanopia#386262no blue cones; rare, and affects men and women equally; ΔE 10.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.85:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 11.5Dim grey · ΔE 13.3Slate grey · ΔE 14.9Light slate grey · ΔE 17.9Gray · ΔE 19.3Teal · ΔE 25.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.46, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6B5245
Analogous#456B65, #454B6B
Triadic#6B455E, #5E6B45
Split complementary#6B454B, #6B6545
Tetradic#65456B, #6B5245, #4B6B45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0C2CC
Lighter +30%#91ABB8
Lighter +20%#7293A4
Lighter +10%#59798A
Darker −10%#31434C
Darker −20%#1D282D
Darker −30%#090C0E
Darker −40%#000000
More saturated +25%#2F6581
Less saturated −25%#585858

Channel breakdown

R69
G94
B107
Red69 (27.1%)
Green94 (36.9%)
Blue107 (42%)
Hue200.53°
Saturation (HSL)21.59%
Lightness34.51%
Dominant channelBlue
Hex per channelR 45 · G 5E · B 6B

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Every value on this page was computed from “455e6b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.