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Recognised as Colour

#5A5B74

  • #5A5B74
  • Blue
  • Dark
  • Nearest: Slate grey

#5A5B74 is a blue with RGB values 90, 91, 116 and HSL 238°, 13%, 40%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#5A5B74#5A5B74
HEX#5A5B74
RGBrgb(90, 91, 116)
RGB (0–1)0.3529, 0.3569, 0.4549
RGB percentages35.3%, 35.7%, 45.5%
HSLhsl(237.7, 12.6%, 40.4%)
HSV / HSBhsv(237.7, 22.4%, 45.5%)
CMYK22.4%, 21.6%, 0%, 54.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,921,652
CSS custom property--colour: #5A5B74;

Brightness & contrast

Relative luminance0.10917WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.6:1
Contrast with white6.6:1WCAG normal text: AA
Contrast with black3.18:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#A5A48B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#555E75no red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#545C73no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#545F63no blue cones; rare, and affects men and women equally; ΔE 13.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.6:1WCAG large text: AAA
Contrast with black, large text3.18:1WCAG large text: AA

Named colours

Slate grey · ΔE 15.9Dim grey · ΔE 16.1Light slate grey · ΔE 18.5Gray · ΔE 20.8Dark slate grey · ΔE 21.8Steel blue · ΔE 24.1
Nearest named CSS colourSlate grey (#708090)ΔE 15.86, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#74735A
Analogous#5A6874, #665A74
Triadic#745A5B, #5B745A
Split complementary#74665A, #68745A
Tetradic#745A68, #74735A, #5A7466

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7C7D3
Lighter +30%#AAABBD
Lighter +20%#8D8EA7
Lighter +10%#717290
Darker −10%#444457
Darker −20%#2D2E3B
Darker −30%#17171E
Darker −40%#010101
More saturated +25%#40438E
Less saturated −25%#676767

Channel breakdown

R90
G91
B116
Red90 (35.3%)
Green91 (35.7%)
Blue116 (45.5%)
Hue237.69°
Saturation (HSL)12.62%
Lightness40.39%
Dominant channelBlue
Hex per channelR 5A · G 5B · B 74

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Every value on this page was computed from “5a5b74” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.