Nerdulator> put something in

Recognised as Colour

#425B71

  • #425B71
  • Blue
  • Dark
  • Nearest: Dark slate grey

#425B71 is a blue with RGB values 66, 91, 113 and HSL 208°, 26%, 35%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#425B71#425B71
HEX#425B71
RGBrgb(66, 91, 113)
RGB (0–1)0.2588, 0.3569, 0.4431
RGB percentages25.9%, 35.7%, 44.3%
HSLhsl(208.1, 26.3%, 35.1%)
HSV / HSBhsv(208.1, 41.6%, 44.3%)
CMYK41.6%, 19.5%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,348,785
CSS custom property--colour: #425B71;

Brightness & contrast

Relative luminance0.09833WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.08:1
Contrast with white7.08:1WCAG normal text: AAA
Contrast with black2.97:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#BDA48E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#525B72no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#4C5671no green cones; the most common form, about 1% of men; ΔE 6.4 from the original
Tritanopia#316062no blue cones; rare, and affects men and women equally; ΔE 15.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.08:1WCAG large text: AAA
Contrast with black, large text2.97:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.8Slate grey · ΔE 16.1Dim grey · ΔE 17.2Light slate grey · ΔE 18.9Steel blue · ΔE 22.4Gray · ΔE 22.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.85, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#715842
Analogous#42716F, #424471
Triadic#71425B, #5B7142
Split complementary#714244, #716F42
Tetradic#6F4271, #715842, #437142

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AFC1D0
Lighter +30%#8FA7BD
Lighter +20%#6E8EAB
Lighter +10%#557591
Darker −10%#2F4151
Darker −20%#1C2731
Darker −30%#0A0D10
Darker −40%#000000
More saturated +25%#2C5C87
Less saturated −25%#585A5B

Channel breakdown

R66
G91
B113
Red66 (25.9%)
Green91 (35.7%)
Blue113 (44.3%)
Hue208.09°
Saturation (HSL)26.26%
Lightness35.1%
Dominant channelBlue
Hex per channelR 42 · G 5B · B 71

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “425b71” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.