Nerdulator> put something in

Recognised as Colour

#3451BD

  • #3451BD
  • Blue
  • Dark
  • Nearest: Royal blue

#3451BD is a blue with RGB values 52, 81, 189 and HSL 227°, 57%, 47%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3451BD#3451BD
HEX#3451BD
RGBrgb(52, 81, 189)
RGB (0–1)0.2039, 0.3176, 0.7412
RGB percentages20.4%, 31.8%, 74.1%
HSLhsl(227.3, 56.8%, 47.3%)
HSV / HSBhsv(227.3, 72.5%, 74.1%)
CMYK72.5%, 57.1%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,428,797
CSS custom property--colour: #3451BD;

Brightness & contrast

Relative luminance0.10289WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.87:1
Contrast with white6.87:1WCAG normal text: AA
Contrast with black3.06:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#CBAE42

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0061C1no red cones; affects about 1% of men; ΔE 13.6 from the original
Deuteranopia#0054BBno green cones; the most common form, about 1% of men; ΔE 6.6 from the original
Tritanopia#006C7Fno blue cones; rare, and affects men and women equally; ΔE 62.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.87:1WCAG large text: AAA
Contrast with black, large text3.06:1WCAG large text: AA

Named colours

Royal blue · ΔE 10.9Slate blue · ΔE 11.7Dark slateblue · ΔE 19.4Medium slateblue · ΔE 20.5Rebecca purple · ΔE 21.2Medium purple · ΔE 21.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.87, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BDA034
Analogous#3495BD, #5C34BD
Triadic#BD3451, #51BD34
Split complementary#BD5C34, #95BD34
Tetradic#BD3495, #BDA034, #34BD5C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCD4F1
Lighter +30%#A4B2E6
Lighter +20%#7C90DB
Lighter +10%#546ED0
Darker −10%#294095
Darker −20%#1E2F6D
Darker −30%#131E45
Darker −40%#080C1D
More saturated +25%#1640DB
Less saturated −25%#52629F

Channel breakdown

R52
G81
B189
Red52 (20.4%)
Green81 (31.8%)
Blue189 (74.1%)
Hue227.3°
Saturation (HSL)56.85%
Lightness47.25%
Dominant channelBlue
Hex per channelR 34 · G 51 · B BD

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 “3451bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.