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Colour

#338CE1

  • #338CE1
  • Blue
  • Dark
  • Nearest: Cornflower blue

#338CE1 is a blue with RGB values 51, 140, 225 and HSL 209°, 74%, 54%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#338CE1#338CE1
HEX#338CE1
RGBrgb(51, 140, 225)
RGB (0–1)0.2, 0.549, 0.8824
RGB percentages20%, 54.9%, 88.2%
HSLhsl(209.3, 74.4%, 54.1%)
HSV / HSBhsv(209.3, 77.3%, 88.2%)
CMYK77.3%, 37.8%, 0%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,378,401
CSS custom property--colour: #338CE1;

Brightness & contrast

Relative luminance0.24896WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.98:1
Contrast with white3.51:1WCAG normal text: Fail
Contrast with black5.98:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#CC731E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6491E4no red cones; affects about 1% of men; ΔE 7.8 from the original
Deuteranopia#4981DFno green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#00A0ACno blue cones; rare, and affects men and women equally; ΔE 47.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.51:1WCAG large text: AA
Contrast with black, large text5.98:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 8.2Dodgerblue · ΔE 14.8Steel blue · ΔE 20.2Deep skyblue · ΔE 27.1Royal blue · ΔE 29Medium purple · ΔE 33.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 8.2, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E18833
Analogous#33E1DF, #3335E1
Triadic#E1338C, #8CE133
Split complementary#E13335, #E1DF33
Tetradic#DF33E1, #E18833, #35E133

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5F0FB
Lighter +30%#B8D7F5
Lighter +20%#8CBEEE
Lighter +10%#5FA5E8
Darker −10%#1D72C4
Darker −20%#165898
Darker −30%#103F6B
Darker −40%#09253F
More saturated +25%#168DFE
Less saturated −25%#508BC4

Channel breakdown

R51
G140
B225
Red51 (20%)
Green140 (54.9%)
Blue225 (88.2%)
Hue209.31°
Saturation (HSL)74.36%
Lightness54.12%
Dominant channelBlue
Hex per channelR 33 · G 8C · B E1

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Every value on this page was computed from “338ce1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.