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Colour

#39454E

  • #39454E
  • Blue
  • Dark
  • Nearest: Dark slate grey

#39454E is a blue with RGB values 57, 69, 78 and HSL 206°, 16%, 26%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#39454E#39454E
HEX#39454E
RGBrgb(57, 69, 78)
RGB (0–1)0.2235, 0.2706, 0.3059
RGB percentages22.4%, 27.1%, 30.6%
HSLhsl(205.7, 15.6%, 26.5%)
HSV / HSBhsv(205.7, 26.9%, 30.6%)
CMYK26.9%, 11.5%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,753,294
CSS custom property--colour: #39454E;

Brightness & contrast

Relative luminance0.05676WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.83:1
Contrast with white9.83:1WCAG normal text: AAA
Contrast with black2.14:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#C6BAB1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#41454Eno red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#3E424Eno green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#334748no blue cones; rare, and affects men and women equally; ΔE 6.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.83:1WCAG large text: AAA
Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.2Dim grey · ΔE 17.5Slate grey · ΔE 24.5Gray · ΔE 26.1Light slate grey · ΔE 27.6Black · ΔE 29.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E4239
Analogous#394E4D, #393A4E
Triadic#4E3945, #454E39
Split complementary#4E393A, #4E4D39
Tetradic#4D394E, #4E4239, #3B4E39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9CABB7
Lighter +30%#7F92A1
Lighter +20%#647989
Lighter +10%#4F5F6B
Darker −10%#232B31
Darker −20%#0E1113
Darker −30%#000000
Darker −40%#000000
More saturated +25%#28475F
Less saturated −25%#444444

Channel breakdown

R57
G69
B78
Red57 (22.4%)
Green69 (27.1%)
Blue78 (30.6%)
Hue205.71°
Saturation (HSL)15.56%
Lightness26.47%
Dominant channelBlue
Hex per channelR 39 · G 45 · B 4E

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Every value on this page was computed from “39454e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.