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Recognised as Colour

#3353FD

  • #3353FD
  • Blue
  • Dark
  • Nearest: Medium slateblue

#3353FD is a blue with RGB values 51, 83, 253 and HSL 230°, 98%, 60%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#3353FD#3353FD
HEX#3353FD
RGBrgb(51, 83, 253)
RGB (0–1)0.2, 0.3255, 0.9922
RGB percentages20%, 32.5%, 99.2%
HSLhsl(230.5, 98.1%, 59.6%)
HSV / HSBhsv(230.5, 79.8%, 99.2%)
CMYK79.8%, 67.2%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,363,837
CSS custom property--colour: #3353FD;

Brightness & contrast

Relative luminance0.13982WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.53:1
Contrast with white5.53:1WCAG normal text: AA
Contrast with black3.8:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#CCAC02

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0072FFno red cones; affects about 1% of men; ΔE 24 from the original
Deuteranopia#005FFAno green cones; the most common form, about 1% of men; ΔE 11.5 from the original
Tritanopia#0082A1no blue cones; rare, and affects men and women equally; ΔE 91.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.53:1WCAG large text: AAA
Contrast with black, large text3.8:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 24.1Blue violet · ΔE 24.8Medium blue · ΔE 27.3Royal blue · ΔE 31.1Slate blue · ΔE 31.7Dark orchid · ΔE 31.7
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 24.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDDD33
Analogous#33B8FD, #7833FD
Triadic#FD3353, #53FD33
Split complementary#FD7833, #B8FD33
Tetradic#FD33B8, #FDDD33, #33FD78

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFDFF
Lighter +30%#CBD3FE
Lighter +20%#98A8FE
Lighter +10%#667EFD
Darker −10%#022AFB
Darker −20%#0221C8
Darker −30%#011996
Darker −40%#011163
More saturated +25%#3152FF
Less saturated −25%#4D65E3

Channel breakdown

R51
G83
B253
Red51 (20%)
Green83 (32.5%)
Blue253 (99.2%)
Hue230.5°
Saturation (HSL)98.06%
Lightness59.61%
Dominant channelBlue
Hex per channelR 33 · G 53 · B FD

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Every value on this page was computed from “3353fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.