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Recognised as Colour

#388FED

  • #388FED
  • Blue
  • Dark
  • Nearest: Cornflower blue

#388FED is a blue with RGB values 56, 143, 237 and HSL 211°, 83%, 57%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#388FED#388FED
HEX#388FED
RGBrgb(56, 143, 237)
RGB (0–1)0.2196, 0.5608, 0.9294
RGB percentages22%, 56.1%, 92.9%
HSLhsl(211.2, 83.4%, 57.5%)
HSV / HSBhsv(211.2, 76.4%, 92.9%)
CMYK76.4%, 39.7%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,706,861
CSS custom property--colour: #388FED;

Brightness & contrast

Relative luminance0.266WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.32:1
Contrast with white3.32:1WCAG normal text: Fail
Contrast with black6.32:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#C77012

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6296F1no red cones; affects about 1% of men; ΔE 6.4 from the original
Deuteranopia#4485EBno green cones; the most common form, about 1% of men; ΔE 7.8 from the original
Tritanopia#00A5B2no blue cones; rare, and affects men and women equally; ΔE 52.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.32:1WCAG large text: AA
Contrast with black, large text6.32:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 7.1Dodgerblue · ΔE 9.6Royal blue · ΔE 25.2Steel blue · ΔE 25.4Deep skyblue · ΔE 30.1Medium purple · ΔE 31.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 7.13, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ED9638
Analogous#38E9ED, #3B38ED
Triadic#ED388F, #8FED38
Split complementary#ED3C38, #EAED38
Tetradic#ED38EA, #ED9638, #38ED3C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3F8FE
Lighter +30%#C4DEFA
Lighter +20%#96C4F5
Lighter +10%#67A9F1
Darker −10%#1475DE
Darker −20%#105CAF
Darker −30%#0C4480
Darker −40%#072B52
More saturated +25%#268EFF
Less saturated −25%#5390D2

Channel breakdown

R56
G143
B237
Red56 (22%)
Green143 (56.1%)
Blue237 (92.9%)
Hue211.16°
Saturation (HSL)83.41%
Lightness57.45%
Dominant channelBlue
Hex per channelR 38 · G 8F · B ED

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Every value on this page was computed from “388fed” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.