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Recognised as Colour

#3D53DB

  • #3D53DB
  • Blue
  • Dark
  • Nearest: Medium slateblue

#3D53DB is a blue with RGB values 61, 83, 219 and HSL 232°, 69%, 55%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#3D53DB#3D53DB
HEX#3D53DB
RGBrgb(61, 83, 219)
RGB (0–1)0.2392, 0.3255, 0.8588
RGB percentages23.9%, 32.5%, 85.9%
HSLhsl(231.6, 68.7%, 54.9%)
HSV / HSBhsv(231.6, 72.1%, 85.9%)
CMYK72.1%, 62.1%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,019,163
CSS custom property--colour: #3D53DB;

Brightness & contrast

Relative luminance0.12293WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.07:1
Contrast with white6.07:1WCAG normal text: AA
Contrast with black3.46:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#C2AC24

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006ADFno red cones; affects about 1% of men; ΔE 18.7 from the original
Deuteranopia#005BD8no green cones; the most common form, about 1% of men; ΔE 10.4 from the original
Tritanopia#00768Fno blue cones; rare, and affects men and women equally; ΔE 75.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.07:1WCAG large text: AAA
Contrast with black, large text3.46:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 12.8Royal blue · ΔE 14.4Slate blue · ΔE 14.6Medium purple · ΔE 25.5Rebecca purple · ΔE 26.8Dark blue · ΔE 30.1
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 12.84, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBC53D
Analogous#3DA2DB, #763DDB
Triadic#DB3D53, #53DB3D
Split complementary#DB763D, #A2DB3D
Tetradic#DB3DA2, #DBC53D, #3DDB76

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9ECFB
Lighter +30%#BEC5F3
Lighter +20%#939FEB
Lighter +10%#6879E3
Darker −10%#243AC1
Darker −20%#1C2D96
Darker −30%#14206B
Darker −40%#0C1340
More saturated +25%#203EF8
Less saturated −25%#5A68BE

Channel breakdown

R61
G83
B219
Red61 (23.9%)
Green83 (32.5%)
Blue219 (85.9%)
Hue231.65°
Saturation (HSL)68.7%
Lightness54.9%
Dominant channelBlue
Hex per channelR 3D · G 53 · B DB

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Every value on this page was computed from “3d53db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.