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Recognised as Colour

#3398FD

  • #3398FD
  • Blue
  • Dark
  • Nearest: Dodgerblue

#3398FD is a blue with RGB values 51, 152, 253 and HSL 210°, 98%, 60%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3398FD#3398FD
HEX#3398FD
RGBrgb(51, 152, 253)
RGB (0–1)0.2, 0.5961, 0.9922
RGB percentages20%, 59.6%, 99.2%
HSLhsl(210, 98.1%, 59.6%)
HSV / HSBhsv(210, 79.8%, 99.2%)
CMYK79.8%, 39.9%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,381,501
CSS custom property--colour: #3398FD;

Brightness & contrast

Relative luminance0.30252WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.05:1
Contrast with white2.98:1WCAG normal text: Fail
Contrast with black7.05:1WCAG normal text: AAA
Greyscale equivalent#8A8A8A
Inverted#CC6702

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#679FFFno red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#448DFBno green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#00B0BEno blue cones; rare, and affects men and women equally; ΔE 55.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.98:1WCAG large text: Fail
Contrast with black, large text7.05:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6.9Cornflower blue · ΔE 9.6Royal blue · ΔE 25.6Steel blue · ΔE 29.5Deep skyblue · ΔE 30.3Medium purple · ΔE 32.6
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.93, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FD9833
Analogous#33FDFD, #3333FD
Triadic#FD3398, #98FD33
Split complementary#FD3333, #FDFD33
Tetradic#FD33FD, #FD9833, #33FD33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFF
Lighter +30%#CBE5FE
Lighter +20%#98CBFE
Lighter +10%#66B2FD
Darker −10%#027FFB
Darker −20%#0265C8
Darker −30%#014C96
Darker −40%#013263
More saturated +25%#3198FF
Less saturated −25%#4D98E3

Channel breakdown

R51
G152
B253
Red51 (20%)
Green152 (59.6%)
Blue253 (99.2%)
Hue210°
Saturation (HSL)98.06%
Lightness59.61%
Dominant channelBlue
Hex per channelR 33 · G 98 · B FD

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Every value on this page was computed from “3398fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.