Nerdulator> put something in

Recognised as Colour

#3B5281

  • #3B5281
  • Blue
  • Dark
  • Nearest: Steel blue

#3B5281 is a blue with RGB values 59, 82, 129 and HSL 220°, 37%, 37%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#3B5281#3B5281
HEX#3B5281
RGBrgb(59, 82, 129)
RGB (0–1)0.2314, 0.3216, 0.5059
RGB percentages23.1%, 32.2%, 50.6%
HSLhsl(220.3, 37.2%, 36.9%)
HSV / HSBhsv(220.3, 54.3%, 50.6%)
CMYK54.3%, 36.4%, 0%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,887,745
CSS custom property--colour: #3B5281;

Brightness & contrast

Relative luminance0.08549WCAG 2.x, 0 is black and 1 is white
Perceived brightness83 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.75:1
Contrast with white7.75:1WCAG normal text: AAA
Contrast with black2.71:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#C4AD7E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#405683no red cones; affects about 1% of men; ΔE 2.2 from the original
Deuteranopia#375080no green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#185C63no blue cones; rare, and affects men and women equally; ΔE 30.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.75:1WCAG large text: AAA
Contrast with black, large text2.71:1WCAG large text: Fail

Named colours

Steel blue · ΔE 20.2Dark slateblue · ΔE 24.4Slate grey · ΔE 26.9Light slate grey · ΔE 28.7Dark slate grey · ΔE 31.1Dim grey · ΔE 31.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 20.2, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#816A3B
Analogous#3B7581, #473B81
Triadic#813B52, #52813B
Split complementary#81473B, #75813B
Tetradic#813B75, #816A3B, #3B8147

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AEBCDA
Lighter +30%#8BA0CA
Lighter +20%#6883BA
Lighter +10%#4B68A4
Darker −10%#2B3C5E
Darker −20%#1B263B
Darker −30%#0B0F18
Darker −40%#000000
More saturated +25%#244A99
Less saturated −25%#535A6A

Channel breakdown

R59
G82
B129
Red59 (23.1%)
Green82 (32.2%)
Blue129 (50.6%)
Hue220.29°
Saturation (HSL)37.23%
Lightness36.86%
Dominant channelBlue
Hex per channelR 3B · G 52 · B 81

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 “3b5281” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.