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Recognised as Colour

#539ABE

  • #539ABE
  • Blue
  • Dark
  • Nearest: Steel blue

#539ABE is a blue with RGB values 83, 154, 190 and HSL 200°, 45%, 54%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#539ABE#539ABE
HEX#539ABE
RGBrgb(83, 154, 190)
RGB (0–1)0.3255, 0.6039, 0.7451
RGB percentages32.5%, 60.4%, 74.5%
HSLhsl(200.2, 45.1%, 53.5%)
HSV / HSBhsv(200.2, 56.3%, 74.5%)
CMYK56.3%, 18.9%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,479,102
CSS custom property--colour: #539ABE;

Brightness & contrast

Relative luminance0.28668WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.73:1
Contrast with white3.12:1WCAG normal text: Fail
Contrast with black6.73:1WCAG normal text: AA
Greyscale equivalent#8E8E8E
Inverted#AC6541

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8898C0no red cones; affects about 1% of men; ΔE 15.9 from the original
Deuteranopia#798DBDno green cones; the most common form, about 1% of men; ΔE 16.7 from the original
Tritanopia#00A4A6no blue cones; rare, and affects men and women equally; ΔE 26.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.12:1WCAG large text: AA
Contrast with black, large text6.73:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13.1Light slate grey · ΔE 17.8Slate grey · ΔE 19.3Sky blue · ΔE 19.4Light skyblue · ΔE 19.5Cadetblue · ΔE 19.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BE7753
Analogous#53BEAC, #5365BE
Triadic#BE539A, #9ABE53
Split complementary#BE5365, #BEAC53
Tetradic#AC53BE, #BE7753, #65BE53

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7F1F6
Lighter +30%#C2DBE8
Lighter +20%#9DC5DA
Lighter +10%#78B0CC
Darker −10%#3D7FA1
Darker −20%#2F627C
Darker −30%#214557
Darker −40%#132832
More saturated +25%#35A4DC
Less saturated −25%#7190A0

Channel breakdown

R83
G154
B190
Red83 (32.5%)
Green154 (60.4%)
Blue190 (74.5%)
Hue200.19°
Saturation (HSL)45.15%
Lightness53.53%
Dominant channelBlue
Hex per channelR 53 · G 9A · B BE

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Every value on this page was computed from “539abe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.