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Recognised as Colour

#538FE8

  • #538FE8
  • Blue
  • Dark
  • Nearest: Cornflower blue

#538FE8 is a blue with RGB values 83, 143, 232 and HSL 216°, 76%, 62%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#538FE8#538FE8
HEX#538FE8
RGBrgb(83, 143, 232)
RGB (0–1)0.3255, 0.5608, 0.9098
RGB percentages32.5%, 56.1%, 91%
HSLhsl(215.8, 76.4%, 61.8%)
HSV / HSBhsv(215.8, 64.2%, 91%)
CMYK64.2%, 38.4%, 0%, 9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,476,328
CSS custom property--colour: #538FE8;

Brightness & contrast

Relative luminance0.2731WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.46:1
Contrast with white3.25:1WCAG normal text: Fail
Contrast with black6.46:1WCAG normal text: AA
Greyscale equivalent#898989
Inverted#AC7017

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6796ECno red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#5288E6no green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#00A3B0no blue cones; rare, and affects men and women equally; ΔE 51.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.25:1WCAG large text: AA
Contrast with black, large text6.46:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 3.3Dodgerblue · ΔE 12.7Steel blue · ΔE 23.3Royal blue · ΔE 25.9Medium purple · ΔE 29Deep skyblue · ΔE 30.1
Nearest named CSS colourCornflower blue (#6495ED)ΔE 3.3, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E8AC53
Analogous#53D9E8, #6253E8
Triadic#E8538F, #8FE853
Split complementary#E86253, #D9E853
Tetradic#E853D9, #E8AC53, #53E862

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DAE7FA
Lighter +20%#ADCAF4
Lighter +10%#80ACEE
Darker −10%#2672E2
Darker −20%#195BBC
Darker −30%#13458F
Darker −40%#0D2F62
More saturated +25%#3C8BFF
Less saturated −25%#6B94D0

Channel breakdown

R83
G143
B232
Red83 (32.5%)
Green143 (56.1%)
Blue232 (91%)
Hue215.84°
Saturation (HSL)76.41%
Lightness61.76%
Dominant channelBlue
Hex per channelR 53 · G 8F · B E8

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Every value on this page was computed from “538fe8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.