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Recognised as Colour

#3D5ADB

  • #3D5ADB
  • Blue
  • Dark
  • Nearest: Royal blue

#3D5ADB is a blue with RGB values 61, 90, 219 and HSL 229°, 69%, 55%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3D5ADB#3D5ADB
HEX#3D5ADB
RGBrgb(61, 90, 219)
RGB (0–1)0.2392, 0.3529, 0.8588
RGB percentages23.9%, 35.3%, 85.9%
HSLhsl(229, 68.7%, 54.9%)
HSV / HSBhsv(229, 72.1%, 85.9%)
CMYK72.1%, 58.9%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,020,955
CSS custom property--colour: #3D5ADB;

Brightness & contrast

Relative luminance0.13419WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.7:1
Contrast with white5.7:1WCAG normal text: AA
Contrast with black3.68:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#C2A524

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006EDFno red cones; affects about 1% of men; ΔE 16.6 from the original
Deuteranopia#005FD8no green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#007A92no blue cones; rare, and affects men and women equally; ΔE 71.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.7:1WCAG large text: AAA
Contrast with black, large text3.68:1WCAG large text: AA

Named colours

Royal blue · ΔE 9Slate blue · ΔE 11.9Medium slateblue · ΔE 12.4Medium purple · ΔE 22.6Rebecca purple · ΔE 26.2Dodgerblue · ΔE 28.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.99, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBBE3D
Analogous#3DA9DB, #6F3DDB
Triadic#DB3D5A, #5ADB3D
Split complementary#DB6F3D, #A9DB3D
Tetradic#DB3DA9, #DBBE3D, #3DDB6F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9ECFB
Lighter +30%#BEC8F3
Lighter +20%#93A3EB
Lighter +10%#687FE3
Darker −10%#2441C1
Darker −20%#1C3296
Darker −30%#14246B
Darker −40%#0C1540
More saturated +25%#2048F8
Less saturated −25%#5A6CBE

Channel breakdown

R61
G90
B219
Red61 (23.9%)
Green90 (35.3%)
Blue219 (85.9%)
Hue228.99°
Saturation (HSL)68.7%
Lightness54.9%
Dominant channelBlue
Hex per channelR 3D · G 5A · B DB

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Every value on this page was computed from “3d5adb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.