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Recognised as Colour

#425B5E

  • #425B5E
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#425B5E is a cyan with RGB values 66, 91, 94 and HSL 186°, 18%, 31%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#425B5E#425B5E
HEX#425B5E
RGBrgb(66, 91, 94)
RGB (0–1)0.2588, 0.3569, 0.3686
RGB percentages25.9%, 35.7%, 36.9%
HSLhsl(186.4, 17.5%, 31.4%)
HSV / HSBhsv(186.4, 29.8%, 36.9%)
CMYK29.8%, 3.2%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,348,766
CSS custom property--colour: #425B5E;

Brightness & contrast

Relative luminance0.09449WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.27:1
Contrast with white7.27:1WCAG normal text: AAA
Contrast with black2.89:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#BDA4A1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#57595Eno red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#52555Eno green cones; the most common form, about 1% of men; ΔE 9.5 from the original
Tritanopia#395D5Cno blue cones; rare, and affects men and women equally; ΔE 4.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.27:1WCAG large text: AAA
Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 6.5Dim grey · ΔE 12.4Slate grey · ΔE 18.2Gray · ΔE 19.4Light slate grey · ΔE 21.1Teal · ΔE 23.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 6.51, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5E4542
Analogous#425E53, #424D5E
Triadic#5E425B, #5B5E42
Split complementary#5E424D, #5E5342
Tetradic#53425E, #5E4542, #4D5E42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9C0C3
Lighter +30%#8BAAAE
Lighter +20%#6D9499
Lighter +10%#57787C
Darker −10%#2D3E40
Darker −20%#182122
Darker −30%#030404
Darker −40%#000000
More saturated +25%#2E6B72
Less saturated −25%#505050

Channel breakdown

R66
G91
B94
Red66 (25.9%)
Green91 (35.7%)
Blue94 (36.9%)
Hue186.43°
Saturation (HSL)17.5%
Lightness31.37%
Dominant channelBlue
Hex per channelR 42 · G 5B · B 5E

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Every value on this page was computed from “425b5e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.